42338920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81421}}^1$

素因数の和:81445

約数の個数: 32

約数和(自身を含む): 102591720

約数和(自身を除く): 60252800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81421, 162842, 325684, 407105, 651368, 814210, 1058473, 1628420, 2116946, 3256840, 4233892, 5292365, 8467784, 10584730, 21169460, 42338920]

約数ペア:

[(1, 42338920), (2, 21169460), (4, 10584730), (5, 8467784), (8, 5292365), (10, 4233892), (13, 3256840), (20, 2116946), (26, 1628420), (40, 1058473), (52, 814210), (65, 651368), (104, 407105), (130, 325684), (260, 162842), (520, 81421)]