200012800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:644

約数の個数: 132

約数和(自身を含む): 534815596

約数和(自身を除く): 334802796

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 601, 640, 650, 800, 832, 1024, 1040, 1202, 1280, 1300, 1600, 1664, 2080, 2404, 2560, 2600, 3005, 3200, 3328, 4160, 4808, 5120, 5200, 6010, 6400, 6656, 7813, 8320, 9616, 10400, 12020, 12800, 13312, 15025, 15626, 16640, 19232, 20800, 24040, 25600, 30050, 31252, 33280, 38464, 39065, 41600, 48080, 60100, 62504, 66560, 76928, 78130, 83200, 96160, 120200, 125008, 153856, 156260, 166400, 192320, 195325, 240400, 250016, 307712, 312520, 332800, 384640, 390650, 480800, 500032, 615424, 625040, 769280, 781300, 961600, 1000064, 1250080, 1538560, 1562600, 1923200, 2000128, 2500160, 3077120, 3125200, 3846400, 4000256, 5000320, 6250400, 7692800, 8000512, 10000640, 12500800, 15385600, 20001280, 25001600, 40002560, 50003200, 100006400, 200012800]

約数ペア:

[(1, 200012800), (2, 100006400), (4, 50003200), (5, 40002560), (8, 25001600), (10, 20001280), (13, 15385600), (16, 12500800), (20, 10000640), (25, 8000512), (26, 7692800), (32, 6250400), (40, 5000320), (50, 4000256), (52, 3846400), (64, 3125200), (65, 3077120), (80, 2500160), (100, 2000128), (104, 1923200), (128, 1562600), (130, 1538560), (160, 1250080), (200, 1000064), (208, 961600), (256, 781300), (260, 769280), (320, 625040), (325, 615424), (400, 500032), (416, 480800), (512, 390650), (520, 384640), (601, 332800), (640, 312520), (650, 307712), (800, 250016), (832, 240400), (1024, 195325), (1040, 192320), (1202, 166400), (1280, 156260), (1300, 153856), (1600, 125008), (1664, 120200), (2080, 96160), (2404, 83200), (2560, 78130), (2600, 76928), (3005, 66560), (3200, 62504), (3328, 60100), (4160, 48080), (4808, 41600), (5120, 39065), (5200, 38464), (6010, 33280), (6400, 31252), (6656, 30050), (7813, 25600), (8320, 24040), (9616, 20800), (10400, 19232), (12020, 16640), (12800, 15626), (13312, 15025)]