15672798640

素因数分解:

$2^4\times 5^1\times {\mathrm{195909983}}^1$

素因数の和:195909996

約数の個数: 20

約数和(自身を含む): 36439257024

約数和(自身を除く): 20766458384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195909983, 391819966, 783639932, 979549915, 1567279864, 1959099830, 3134559728, 3918199660, 7836399320, 15672798640]

約数ペア:

[(1, 15672798640), (2, 7836399320), (4, 3918199660), (5, 3134559728), (8, 1959099830), (10, 1567279864), (16, 979549915), (20, 783639932), (40, 391819966), (80, 195909983)]