2129920000

素因数分解:

$2^{18}\times 5^4\times {\mathrm{13}}^1$

素因数の和:69

約数の個数: 190

約数和(自身を含む): 5732554058

約数和(自身を除く): 3602634058

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 256, 260, 320, 325, 400, 416, 500, 512, 520, 625, 640, 650, 800, 832, 1000, 1024, 1040, 1250, 1280, 1300, 1600, 1625, 1664, 2000, 2048, 2080, 2500, 2560, 2600, 3200, 3250, 3328, 4000, 4096, 4160, 5000, 5120, 5200, 6400, 6500, 6656, 8000, 8125, 8192, 8320, 10000, 10240, 10400, 12800, 13000, 13312, 16000, 16250, 16384, 16640, 20000, 20480, 20800, 25600, 26000, 26624, 32000, 32500, 32768, 33280, 40000, 40960, 41600, 51200, 52000, 53248, 64000, 65000, 65536, 66560, 80000, 81920, 83200, 102400, 104000, 106496, 128000, 130000, 131072, 133120, 160000, 163840, 166400, 204800, 208000, 212992, 256000, 260000, 262144, 266240, 320000, 327680, 332800, 409600, 416000, 425984, 512000, 520000, 532480, 640000, 655360, 665600, 819200, 832000, 851968, 1024000, 1040000, 1064960, 1280000, 1310720, 1331200, 1638400, 1664000, 1703936, 2048000, 2080000, 2129920, 2560000, 2662400, 3276800, 3328000, 3407872, 4096000, 4160000, 4259840, 5120000, 5324800, 6553600, 6656000, 8192000, 8320000, 8519680, 10240000, 10649600, 13312000, 16384000, 16640000, 17039360, 20480000, 21299200, 26624000, 32768000, 33280000, 40960000, 42598400, 53248000, 66560000, 81920000, 85196800, 106496000, 133120000, 163840000, 212992000, 266240000, 425984000, 532480000, 1064960000, 2129920000]

約数ペア:

[(1, 2129920000), (2, 1064960000), (4, 532480000), (5, 425984000), (8, 266240000), (10, 212992000), (13, 163840000), (16, 133120000), (20, 106496000), (25, 85196800), (26, 81920000), (32, 66560000), (40, 53248000), (50, 42598400), (52, 40960000), (64, 33280000), (65, 32768000), (80, 26624000), (100, 21299200), (104, 20480000), (125, 17039360), (128, 16640000), (130, 16384000), (160, 13312000), (200, 10649600), (208, 10240000), (250, 8519680), (256, 8320000), (260, 8192000), (320, 6656000), (325, 6553600), (400, 5324800), (416, 5120000), (500, 4259840), (512, 4160000), (520, 4096000), (625, 3407872), (640, 3328000), (650, 3276800), (800, 2662400), (832, 2560000), (1000, 2129920), (1024, 2080000), (1040, 2048000), (1250, 1703936), (1280, 1664000), (1300, 1638400), (1600, 1331200), (1625, 1310720), (1664, 1280000), (2000, 1064960), (2048, 1040000), (2080, 1024000), (2500, 851968), (2560, 832000), (2600, 819200), (3200, 665600), (3250, 655360), (3328, 640000), (4000, 532480), (4096, 520000), (4160, 512000), (5000, 425984), (5120, 416000), (5200, 409600), (6400, 332800), (6500, 327680), (6656, 320000), (8000, 266240), (8125, 262144), (8192, 260000), (8320, 256000), (10000, 212992), (10240, 208000), (10400, 204800), (12800, 166400), (13000, 163840), (13312, 160000), (16000, 133120), (16250, 131072), (16384, 130000), (16640, 128000), (20000, 106496), (20480, 104000), (20800, 102400), (25600, 83200), (26000, 81920), (26624, 80000), (32000, 66560), (32500, 65536), (32768, 65000), (33280, 64000), (40000, 53248), (40960, 52000), (41600, 51200)]