61883660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28387}}^1$

素因数の和:28505

約数の個数: 24

約数和(自身を含む): 131152560

約数和(自身を除く): 69268900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 28387, 56774, 113548, 141935, 283870, 567740, 3094183, 6188366, 12376732, 15470915, 30941830, 61883660]

約数ペア:

[(1, 61883660), (2, 30941830), (4, 15470915), (5, 12376732), (10, 6188366), (20, 3094183), (109, 567740), (218, 283870), (436, 141935), (545, 113548), (1090, 56774), (2180, 28387)]