38115640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13421}}^1$

素因数の和:13503

約数の個数: 32

約数和(自身を含む): 86974560

約数和(自身を除く): 48858920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13421, 26842, 53684, 67105, 107368, 134210, 268420, 536840, 952891, 1905782, 3811564, 4764455, 7623128, 9528910, 19057820, 38115640]

約数ペア:

[(1, 38115640), (2, 19057820), (4, 9528910), (5, 7623128), (8, 4764455), (10, 3811564), (20, 1905782), (40, 952891), (71, 536840), (142, 268420), (284, 134210), (355, 107368), (568, 67105), (710, 53684), (1420, 26842), (2840, 13421)]