51745640

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6131}}^1$

素因数の和:6353

約数の個数: 32

約数和(自身を含む): 116998560

約数和(自身を除く): 65252920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 6131, 8440, 12262, 24524, 30655, 49048, 61310, 122620, 245240, 1293641, 2587282, 5174564, 6468205, 10349128, 12936410, 25872820, 51745640]

約数ペア:

[(1, 51745640), (2, 25872820), (4, 12936410), (5, 10349128), (8, 6468205), (10, 5174564), (20, 2587282), (40, 1293641), (211, 245240), (422, 122620), (844, 61310), (1055, 49048), (1688, 30655), (2110, 24524), (4220, 12262), (6131, 8440)]