634304080

素因数分解:

$2^4\times 5^1\times {\mathrm{7928801}}^1$

素因数の和:7928814

約数の個数: 20

約数和(自身を含む): 1474757172

約数和(自身を除く): 840453092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7928801, 15857602, 31715204, 39644005, 63430408, 79288010, 126860816, 158576020, 317152040, 634304080]

約数ペア:

[(1, 634304080), (2, 317152040), (4, 158576020), (5, 126860816), (8, 79288010), (10, 63430408), (16, 39644005), (20, 31715204), (40, 15857602), (80, 7928801)]