57720620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 127135008

約数和(自身を除く): 69414388

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1637, 1763, 3274, 3526, 6548, 7052, 8185, 8815, 16370, 17630, 32740, 35260, 67117, 70391, 134234, 140782, 268468, 281564, 335585, 351955, 671170, 703910, 1342340, 1407820, 2886031, 5772062, 11544124, 14430155, 28860310, 57720620]

約数ペア:

[(1, 57720620), (2, 28860310), (4, 14430155), (5, 11544124), (10, 5772062), (20, 2886031), (41, 1407820), (43, 1342340), (82, 703910), (86, 671170), (164, 351955), (172, 335585), (205, 281564), (215, 268468), (410, 140782), (430, 134234), (820, 70391), (860, 67117), (1637, 35260), (1763, 32740), (3274, 17630), (3526, 16370), (6548, 8815), (7052, 8185)]