72044080

素因数分解:

$2^4\times 5^1\times {\mathrm{900551}}^1$

素因数の和:900564

約数の個数: 20

約数和(自身を含む): 167502672

約数和(自身を除く): 95458592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 900551, 1801102, 3602204, 4502755, 7204408, 9005510, 14408816, 18011020, 36022040, 72044080]

約数ペア:

[(1, 72044080), (2, 36022040), (4, 18011020), (5, 14408816), (8, 9005510), (10, 7204408), (16, 4502755), (20, 3602204), (40, 1801102), (80, 900551)]