2037681640

素因数分解:

$2^3\times 5^1\times {\mathrm{50942041}}^1$

素因数の和:50942052

約数の個数: 16

約数和(自身を含む): 4584783780

約数和(自身を除く): 2547102140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50942041, 101884082, 203768164, 254710205, 407536328, 509420410, 1018840820, 2037681640]

約数ペア:

[(1, 2037681640), (2, 1018840820), (4, 509420410), (5, 407536328), (8, 254710205), (10, 203768164), (20, 101884082), (40, 50942041)]