72940160

素因数分解:

$2^7\times 5^1\times {\mathrm{113969}}^1$

素因数の和:113988

約数の個数: 32

約数和(自身を含む): 174374100

約数和(自身を除く): 101433940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113969, 227938, 455876, 569845, 911752, 1139690, 1823504, 2279380, 3647008, 4558760, 7294016, 9117520, 14588032, 18235040, 36470080, 72940160]

約数ペア:

[(1, 72940160), (2, 36470080), (4, 18235040), (5, 14588032), (8, 9117520), (10, 7294016), (16, 4558760), (20, 3647008), (32, 2279380), (40, 1823504), (64, 1139690), (80, 911752), (128, 569845), (160, 455876), (320, 227938), (640, 113969)]