28737080

素因数分解:

$2^3\times 5^1\times {\mathrm{718427}}^1$

素因数の和:718438

約数の個数: 16

約数和(自身を含む): 64658520

約数和(自身を除く): 35921440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 718427, 1436854, 2873708, 3592135, 5747416, 7184270, 14368540, 28737080]

約数ペア:

[(1, 28737080), (2, 14368540), (4, 7184270), (5, 5747416), (8, 3592135), (10, 2873708), (20, 1436854), (40, 718427)]