87451180

素因数分解:

$2^2\times 5^1\times {\mathrm{4372559}}^1$

素因数の和:4372568

約数の個数: 12

約数和(自身を含む): 183647520

約数和(自身を除く): 96196340

約数列:

[1, 2, 4, 5, 10, 20, 4372559, 8745118, 17490236, 21862795, 43725590, 87451180]

約数ペア:

[(1, 87451180), (2, 43725590), (4, 21862795), (5, 17490236), (10, 8745118), (20, 4372559)]