18442884640

素因数分解:

$2^5\times 5^1\times {\mathrm{115268029}}^1$

素因数の和:115268044

約数の個数: 24

約数和(自身を含む): 43571315340

約数和(自身を除く): 25128430700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 115268029, 230536058, 461072116, 576340145, 922144232, 1152680290, 1844288464, 2305360580, 3688576928, 4610721160, 9221442320, 18442884640]

約数ペア:

[(1, 18442884640), (2, 9221442320), (4, 4610721160), (5, 3688576928), (8, 2305360580), (10, 1844288464), (16, 1152680290), (20, 922144232), (32, 576340145), (40, 461072116), (80, 230536058), (160, 115268029)]