4380451640

素因数分解:

$2^3\times 5^1\times {\mathrm{109511291}}^1$

素因数の和:109511302

約数の個数: 16

約数和(自身を含む): 9856016280

約数和(自身を除く): 5475564640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109511291, 219022582, 438045164, 547556455, 876090328, 1095112910, 2190225820, 4380451640]

約数ペア:

[(1, 4380451640), (2, 2190225820), (4, 1095112910), (5, 876090328), (8, 547556455), (10, 438045164), (20, 219022582), (40, 109511291)]