87408040

素因数分解:

$2^3\times 5^1\times {\mathrm{2185201}}^1$

素因数の和:2185212

約数の個数: 16

約数和(自身を含む): 196668180

約数和(自身を除く): 109260140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2185201, 4370402, 8740804, 10926005, 17481608, 21852010, 43704020, 87408040]

約数ペア:

[(1, 87408040), (2, 43704020), (4, 21852010), (5, 17481608), (8, 10926005), (10, 8740804), (20, 4370402), (40, 2185201)]