2560178960

素因数分解:

$2^4\times 5^1\times {\mathrm{3907}}^1\times {\mathrm{8191}}^1$

素因数の和:12111

約数の個数: 40

約数和(自身を含む): 5954666496

約数和(自身を除く): 3394487536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3907, 7814, 8191, 15628, 16382, 19535, 31256, 32764, 39070, 40955, 62512, 65528, 78140, 81910, 131056, 156280, 163820, 312560, 327640, 655280, 32002237, 64004474, 128008948, 160011185, 256017896, 320022370, 512035792, 640044740, 1280089480, 2560178960]

約数ペア:

[(1, 2560178960), (2, 1280089480), (4, 640044740), (5, 512035792), (8, 320022370), (10, 256017896), (16, 160011185), (20, 128008948), (40, 64004474), (80, 32002237), (3907, 655280), (7814, 327640), (8191, 312560), (15628, 163820), (16382, 156280), (19535, 131056), (31256, 81910), (32764, 78140), (39070, 65528), (40955, 62512)]