40427960

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2251}}^1$

素因数の和:2711

約数の個数: 32

約数和(自身を含む): 91206000

約数和(自身を除く): 50778040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 2251, 3592, 4490, 4502, 8980, 9004, 11255, 17960, 18008, 22510, 45020, 90040, 1010699, 2021398, 4042796, 5053495, 8085592, 10106990, 20213980, 40427960]

約数ペア:

[(1, 40427960), (2, 20213980), (4, 10106990), (5, 8085592), (8, 5053495), (10, 4042796), (20, 2021398), (40, 1010699), (449, 90040), (898, 45020), (1796, 22510), (2245, 18008), (2251, 17960), (3592, 11255), (4490, 9004), (4502, 8980)]