61638460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{237071}}^1$

素因数の和:237093

約数の個数: 24

約数和(自身を含む): 139398336

約数和(自身を除く): 77759876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 237071, 474142, 948284, 1185355, 2370710, 3081923, 4741420, 6163846, 12327692, 15409615, 30819230, 61638460]

約数ペア:

[(1, 61638460), (2, 30819230), (4, 15409615), (5, 12327692), (10, 6163846), (13, 4741420), (20, 3081923), (26, 2370710), (52, 1185355), (65, 948284), (130, 474142), (260, 237071)]