89245840

素因数分解:

$2^4\times 5^1\times {\mathrm{1115573}}^1$

素因数の和:1115586

約数の個数: 20

約数和(自身を含む): 207496764

約数和(自身を除く): 118250924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1115573, 2231146, 4462292, 5577865, 8924584, 11155730, 17849168, 22311460, 44622920, 89245840]

約数ペア:

[(1, 89245840), (2, 44622920), (4, 22311460), (5, 17849168), (8, 11155730), (10, 8924584), (16, 5577865), (20, 4462292), (40, 2231146), (80, 1115573)]