87315160

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21193}}^1$

素因数の和:21307

約数の個数: 32

約数和(自身を含む): 198375840

約数和(自身を除く): 111060680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 21193, 42386, 84772, 105965, 169544, 211930, 423860, 847720, 2182879, 4365758, 8731516, 10914395, 17463032, 21828790, 43657580, 87315160]

約数ペア:

[(1, 87315160), (2, 43657580), (4, 21828790), (5, 17463032), (8, 10914395), (10, 8731516), (20, 4365758), (40, 2182879), (103, 847720), (206, 423860), (412, 211930), (515, 169544), (824, 105965), (1030, 84772), (2060, 42386), (4120, 21193)]