56425640

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3449}}^1$

素因数の和:3869

約数の個数: 32

約数和(自身を含む): 127305000

約数和(自身を除く): 70879360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 3449, 4090, 6898, 8180, 13796, 16360, 17245, 27592, 34490, 68980, 137960, 1410641, 2821282, 5642564, 7053205, 11285128, 14106410, 28212820, 56425640]

約数ペア:

[(1, 56425640), (2, 28212820), (4, 14106410), (5, 11285128), (8, 7053205), (10, 5642564), (20, 2821282), (40, 1410641), (409, 137960), (818, 68980), (1636, 34490), (2045, 27592), (3272, 17245), (3449, 16360), (4090, 13796), (6898, 8180)]