157101520

素因数分解:

$2^4\times 5^1\times {\mathrm{1963769}}^1$

素因数の和:1963782

約数の個数: 20

約数和(自身を含む): 365261220

約数和(自身を除く): 208159700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1963769, 3927538, 7855076, 9818845, 15710152, 19637690, 31420304, 39275380, 78550760, 157101520]

約数ペア:

[(1, 157101520), (2, 78550760), (4, 39275380), (5, 31420304), (8, 19637690), (10, 15710152), (16, 9818845), (20, 7855076), (40, 3927538), (80, 1963769)]