66190052020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{54254141}}^1$

素因数の和:54254211

約数の個数: 24

約数和(自身を含む): 141277785768

約数和(自身を除く): 75087733748

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 54254141, 108508282, 217016564, 271270705, 542541410, 1085082820, 3309502601, 6619005202, 13238010404, 16547513005, 33095026010, 66190052020]

約数ペア:

[(1, 66190052020), (2, 33095026010), (4, 16547513005), (5, 13238010404), (10, 6619005202), (20, 3309502601), (61, 1085082820), (122, 542541410), (244, 271270705), (305, 217016564), (610, 108508282), (1220, 54254141)]