157894120

素因数分解:

$2^3\times 5^1\times {\mathrm{3947353}}^1$

素因数の和:3947364

約数の個数: 16

約数和(自身を含む): 355261860

約数和(自身を除く): 197367740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3947353, 7894706, 15789412, 19736765, 31578824, 39473530, 78947060, 157894120]

約数ペア:

[(1, 157894120), (2, 78947060), (4, 39473530), (5, 31578824), (8, 19736765), (10, 15789412), (20, 7894706), (40, 3947353)]