157291240

素因数分解:

$2^3\times 5^1\times {\mathrm{3932281}}^1$

素因数の和:3932292

約数の個数: 16

約数和(自身を含む): 353905380

約数和(自身を除く): 196614140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3932281, 7864562, 15729124, 19661405, 31458248, 39322810, 78645620, 157291240]

約数ペア:

[(1, 157291240), (2, 78645620), (4, 39322810), (5, 31458248), (8, 19661405), (10, 15729124), (20, 7864562), (40, 3932281)]