90883640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{20107}}^1$

素因数の和:20231

約数の個数: 32

約数和(自身を含む): 206308080

約数和(自身を除く): 115424440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 20107, 40214, 80428, 100535, 160856, 201070, 402140, 804280, 2272091, 4544182, 9088364, 11360455, 18176728, 22720910, 45441820, 90883640]

約数ペア:

[(1, 90883640), (2, 45441820), (4, 22720910), (5, 18176728), (8, 11360455), (10, 9088364), (20, 4544182), (40, 2272091), (113, 804280), (226, 402140), (452, 201070), (565, 160856), (904, 100535), (1130, 80428), (2260, 40214), (4520, 20107)]