280000019710

素因数分解:

$2^1\times 5^1\times {\mathrm{861353}}^1\times {\mathrm{32507}}^1$

素因数の和:893867

約数の個数: 16

約数和(自身を含む): 504016124976

約数和(自身を除く): 224016105266

約数列:

[1, 2, 5, 10, 32507, 65014, 162535, 325070, 861353, 1722706, 4306765, 8613530, 28000001971, 56000003942, 140000009855, 280000019710]

約数ペア:

[(1, 280000019710), (2, 140000009855), (5, 56000003942), (10, 28000001971), (32507, 8613530), (65014, 4306765), (162535, 1722706), (325070, 861353)]