65413360

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3109}}^1$

素因数の和:3385

約数の個数: 40

約数和(自身を含む): 152713440

約数和(自身を除く): 87300080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 3109, 4208, 5260, 6218, 10520, 12436, 15545, 21040, 24872, 31090, 49744, 62180, 124360, 248720, 817667, 1635334, 3270668, 4088335, 6541336, 8176670, 13082672, 16353340, 32706680, 65413360]

約数ペア:

[(1, 65413360), (2, 32706680), (4, 16353340), (5, 13082672), (8, 8176670), (10, 6541336), (16, 4088335), (20, 3270668), (40, 1635334), (80, 817667), (263, 248720), (526, 124360), (1052, 62180), (1315, 49744), (2104, 31090), (2630, 24872), (3109, 21040), (4208, 15545), (5260, 12436), (6218, 10520)]