158804560

素因数分解:

$2^4\times 5^1\times {\mathrm{1985057}}^1$

素因数の和:1985070

約数の個数: 20

約数和(自身を含む): 369220788

約数和(自身を除く): 210416228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1985057, 3970114, 7940228, 9925285, 15880456, 19850570, 31760912, 39701140, 79402280, 158804560]

約数ペア:

[(1, 158804560), (2, 79402280), (4, 39701140), (5, 31760912), (8, 19850570), (10, 15880456), (16, 9925285), (20, 7940228), (40, 3970114), (80, 1985057)]