120042640

素因数分解:

$2^4\times 5^1\times {\mathrm{1500533}}^1$

素因数の和:1500546

約数の個数: 20

約数和(自身を含む): 279099324

約数和(自身を除く): 159056684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1500533, 3001066, 6002132, 7502665, 12004264, 15005330, 24008528, 30010660, 60021320, 120042640]

約数ペア:

[(1, 120042640), (2, 60021320), (4, 30010660), (5, 24008528), (8, 15005330), (10, 12004264), (16, 7502665), (20, 6002132), (40, 3001066), (80, 1500533)]