156912880

素因数分解:

$2^4\times 5^1\times {\mathrm{1961411}}^1$

素因数の和:1961424

約数の個数: 20

約数和(自身を含む): 364822632

約数和(自身を除く): 207909752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961411, 3922822, 7845644, 9807055, 15691288, 19614110, 31382576, 39228220, 78456440, 156912880]

約数ペア:

[(1, 156912880), (2, 78456440), (4, 39228220), (5, 31382576), (8, 19614110), (10, 15691288), (16, 9807055), (20, 7845644), (40, 3922822), (80, 1961411)]