87350180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{42403}}^1$

素因数の和:42515

約数の個数: 24

約数和(自身を含む): 185220672

約数和(自身を除く): 97870492

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 42403, 84806, 169612, 212015, 424030, 848060, 4367509, 8735018, 17470036, 21837545, 43675090, 87350180]

約数ペア:

[(1, 87350180), (2, 43675090), (4, 21837545), (5, 17470036), (10, 8735018), (20, 4367509), (103, 848060), (206, 424030), (412, 212015), (515, 169612), (1030, 84806), (2060, 42403)]