31213220

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{8171}}^1$

素因数の和:8371

約数の個数: 24

約数和(自身を含む): 65899008

約数和(自身を除く): 34685788

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 8171, 16342, 32684, 40855, 81710, 163420, 1560661, 3121322, 6242644, 7803305, 15606610, 31213220]

約数ペア:

[(1, 31213220), (2, 15606610), (4, 7803305), (5, 6242644), (10, 3121322), (20, 1560661), (191, 163420), (382, 81710), (764, 40855), (955, 32684), (1910, 16342), (3820, 8171)]