159489080

素因数分解:

$2^3\times 5^1\times {\mathrm{3987227}}^1$

素因数の和:3987238

約数の個数: 16

約数和(自身を含む): 358850520

約数和(自身を除く): 199361440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3987227, 7974454, 15948908, 19936135, 31897816, 39872270, 79744540, 159489080]

約数ペア:

[(1, 159489080), (2, 79744540), (4, 39872270), (5, 31897816), (8, 19936135), (10, 15948908), (20, 7974454), (40, 3987227)]