90931180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{27893}}^1$

素因数の和:28065

約数の個数: 24

約数和(自身を含む): 192133872

約数和(自身を除く): 101202692

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 27893, 55786, 111572, 139465, 278930, 557860, 4546559, 9093118, 18186236, 22732795, 45465590, 90931180]

約数ペア:

[(1, 90931180), (2, 45465590), (4, 22732795), (5, 18186236), (10, 9093118), (20, 4546559), (163, 557860), (326, 278930), (652, 139465), (815, 111572), (1630, 55786), (3260, 27893)]