89130640

素因数分解:

$2^4\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1291}}^1$

素因数の和:2167

約数の個数: 40

約数和(自身を含む): 207629568

約数和(自身を除く): 118498928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 863, 1291, 1726, 2582, 3452, 4315, 5164, 6455, 6904, 8630, 10328, 12910, 13808, 17260, 20656, 25820, 34520, 51640, 69040, 103280, 1114133, 2228266, 4456532, 5570665, 8913064, 11141330, 17826128, 22282660, 44565320, 89130640]

約数ペア:

[(1, 89130640), (2, 44565320), (4, 22282660), (5, 17826128), (8, 11141330), (10, 8913064), (16, 5570665), (20, 4456532), (40, 2228266), (80, 1114133), (863, 103280), (1291, 69040), (1726, 51640), (2582, 34520), (3452, 25820), (4315, 20656), (5164, 17260), (6455, 13808), (6904, 12910), (8630, 10328)]