7960804520

素因数分解:

$2^3\times 5^1\times {\mathrm{12637}}^1\times {\mathrm{15749}}^1$

素因数の和:28397

約数の個数: 32

約数和(自身を含む): 17914365000

約数和(自身を除く): 9953560480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12637, 15749, 25274, 31498, 50548, 62996, 63185, 78745, 101096, 125992, 126370, 157490, 252740, 314980, 505480, 629960, 199020113, 398040226, 796080452, 995100565, 1592160904, 1990201130, 3980402260, 7960804520]

約数ペア:

[(1, 7960804520), (2, 3980402260), (4, 1990201130), (5, 1592160904), (8, 995100565), (10, 796080452), (20, 398040226), (40, 199020113), (12637, 629960), (15749, 505480), (25274, 314980), (31498, 252740), (50548, 157490), (62996, 126370), (63185, 125992), (78745, 101096)]