156909153640

素因数分解:

$2^3\times 5^1\times {\mathrm{3922728841}}^1$

素因数の和:3922728852

約数の個数: 16

約数和(自身を含む): 353045595780

約数和(自身を除く): 196136442140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3922728841, 7845457682, 15690915364, 19613644205, 31381830728, 39227288410, 78454576820, 156909153640]

約数ペア:

[(1, 156909153640), (2, 78454576820), (4, 39227288410), (5, 31381830728), (8, 19613644205), (10, 15690915364), (20, 7845457682), (40, 3922728841)]