42687580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164183}}^1$

素因数の和:164205

約数の個数: 24

約数和(自身を含む): 96540192

約数和(自身を除く): 53852612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164183, 328366, 656732, 820915, 1641830, 2134379, 3283660, 4268758, 8537516, 10671895, 21343790, 42687580]

約数ペア:

[(1, 42687580), (2, 21343790), (4, 10671895), (5, 8537516), (10, 4268758), (13, 3283660), (20, 2134379), (26, 1641830), (52, 820915), (65, 656732), (130, 328366), (260, 164183)]