131189180

素因数分解:

$2^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{4007}}^1$

素因数の和:5653

約数の個数: 24

約数和(自身を含む): 275734368

約数和(自身を除く): 144545188

約数列:

[1, 2, 4, 5, 10, 20, 1637, 3274, 4007, 6548, 8014, 8185, 16028, 16370, 20035, 32740, 40070, 80140, 6559459, 13118918, 26237836, 32797295, 65594590, 131189180]

約数ペア:

[(1, 131189180), (2, 65594590), (4, 32797295), (5, 26237836), (10, 13118918), (20, 6559459), (1637, 80140), (3274, 40070), (4007, 32740), (6548, 20035), (8014, 16370), (8185, 16028)]