159630920

素因数分解:

$2^3\times 5^1\times {\mathrm{3990773}}^1$

素因数の和:3990784

約数の個数: 16

約数和(自身を含む): 359169660

約数和(自身を除く): 199538740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3990773, 7981546, 15963092, 19953865, 31926184, 39907730, 79815460, 159630920]

約数ペア:

[(1, 159630920), (2, 79815460), (4, 39907730), (5, 31926184), (8, 19953865), (10, 15963092), (20, 7981546), (40, 3990773)]