83931640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161407}}^1$

素因数の和:161431

約数の個数: 32

約数和(自身を含む): 203374080

約数和(自身を除く): 119442440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 161407, 322814, 645628, 807035, 1291256, 1614070, 2098291, 3228140, 4196582, 6456280, 8393164, 10491455, 16786328, 20982910, 41965820, 83931640]

約数ペア:

[(1, 83931640), (2, 41965820), (4, 20982910), (5, 16786328), (8, 10491455), (10, 8393164), (13, 6456280), (20, 4196582), (26, 3228140), (40, 2098291), (52, 1614070), (65, 1291256), (104, 807035), (130, 645628), (260, 322814), (520, 161407)]