83419640

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5099}}^1$

素因数の和:5519

約数の個数: 32

約数和(自身を含む): 188190000

約数和(自身を除く): 104770360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 5099, 8180, 10198, 16360, 20396, 25495, 40792, 50990, 101980, 203960, 2085491, 4170982, 8341964, 10427455, 16683928, 20854910, 41709820, 83419640]

約数ペア:

[(1, 83419640), (2, 41709820), (4, 20854910), (5, 16683928), (8, 10427455), (10, 8341964), (20, 4170982), (40, 2085491), (409, 203960), (818, 101980), (1636, 50990), (2045, 40792), (3272, 25495), (4090, 20396), (5099, 16360), (8180, 10198)]