40167980

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1811}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 84475440

約数和(自身を除く): 44307460

約数列:

[1, 2, 4, 5, 10, 20, 1109, 1811, 2218, 3622, 4436, 5545, 7244, 9055, 11090, 18110, 22180, 36220, 2008399, 4016798, 8033596, 10041995, 20083990, 40167980]

約数ペア:

[(1, 40167980), (2, 20083990), (4, 10041995), (5, 8033596), (10, 4016798), (20, 2008399), (1109, 36220), (1811, 22180), (2218, 18110), (3622, 11090), (4436, 9055), (5545, 7244)]