2637940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3217}}^1$

素因数の和:3267

約数の個数: 24

約数和(自身を含む): 5676552

約数和(自身を除く): 3038612

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3217, 6434, 12868, 16085, 32170, 64340, 131897, 263794, 527588, 659485, 1318970, 2637940]

約数ペア:

[(1, 2637940), (2, 1318970), (4, 659485), (5, 527588), (10, 263794), (20, 131897), (41, 64340), (82, 32170), (164, 16085), (205, 12868), (410, 6434), (820, 3217)]