221283640

素因数分解:

$2^3\times 5^1\times {\mathrm{5532091}}^1$

素因数の和:5532102

約数の個数: 16

約数和(自身を含む): 497888280

約数和(自身を除く): 276604640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5532091, 11064182, 22128364, 27660455, 44256728, 55320910, 110641820, 221283640]

約数ペア:

[(1, 221283640), (2, 110641820), (4, 55320910), (5, 44256728), (8, 27660455), (10, 22128364), (20, 11064182), (40, 5532091)]