12646400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 144

約数和(自身を含む): 35544600

約数和(自身を除く): 22898200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 64, 65, 76, 80, 95, 100, 104, 128, 130, 152, 160, 190, 200, 208, 247, 256, 260, 304, 320, 325, 380, 400, 416, 475, 494, 512, 520, 608, 640, 650, 760, 800, 832, 950, 988, 1024, 1040, 1216, 1235, 1280, 1300, 1520, 1600, 1664, 1900, 1976, 2048, 2080, 2432, 2470, 2560, 2600, 3040, 3200, 3328, 3800, 3952, 4160, 4864, 4940, 5120, 5200, 6080, 6175, 6400, 6656, 7600, 7904, 8320, 9728, 9880, 10240, 10400, 12160, 12350, 12800, 13312, 15200, 15808, 16640, 19456, 19760, 20800, 24320, 24700, 25600, 26624, 30400, 31616, 33280, 38912, 39520, 41600, 48640, 49400, 51200, 60800, 63232, 66560, 79040, 83200, 97280, 98800, 121600, 126464, 133120, 158080, 166400, 194560, 197600, 243200, 252928, 316160, 332800, 395200, 486400, 505856, 632320, 665600, 790400, 972800, 1264640, 1580800, 2529280, 3161600, 6323200, 12646400]

約数ペア:

[(1, 12646400), (2, 6323200), (4, 3161600), (5, 2529280), (8, 1580800), (10, 1264640), (13, 972800), (16, 790400), (19, 665600), (20, 632320), (25, 505856), (26, 486400), (32, 395200), (38, 332800), (40, 316160), (50, 252928), (52, 243200), (64, 197600), (65, 194560), (76, 166400), (80, 158080), (95, 133120), (100, 126464), (104, 121600), (128, 98800), (130, 97280), (152, 83200), (160, 79040), (190, 66560), (200, 63232), (208, 60800), (247, 51200), (256, 49400), (260, 48640), (304, 41600), (320, 39520), (325, 38912), (380, 33280), (400, 31616), (416, 30400), (475, 26624), (494, 25600), (512, 24700), (520, 24320), (608, 20800), (640, 19760), (650, 19456), (760, 16640), (800, 15808), (832, 15200), (950, 13312), (988, 12800), (1024, 12350), (1040, 12160), (1216, 10400), (1235, 10240), (1280, 9880), (1300, 9728), (1520, 8320), (1600, 7904), (1664, 7600), (1900, 6656), (1976, 6400), (2048, 6175), (2080, 6080), (2432, 5200), (2470, 5120), (2560, 4940), (2600, 4864), (3040, 4160), (3200, 3952), (3328, 3800)]