158869840

素因数分解:

$2^4\times 5^1\times {\mathrm{1985873}}^1$

素因数の和:1985886

約数の個数: 20

約数和(自身を含む): 369372564

約数和(自身を除く): 210502724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1985873, 3971746, 7943492, 9929365, 15886984, 19858730, 31773968, 39717460, 79434920, 158869840]

約数ペア:

[(1, 158869840), (2, 79434920), (4, 39717460), (5, 31773968), (8, 19858730), (10, 15886984), (16, 9929365), (20, 7943492), (40, 3971746), (80, 1985873)]