42688540

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{12781}}^1$

素因数の和:12957

約数の個数: 24

約数和(自身を含む): 90189792

約数和(自身を除く): 47501252

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 12781, 25562, 51124, 63905, 127810, 255620, 2134427, 4268854, 8537708, 10672135, 21344270, 42688540]

約数ペア:

[(1, 42688540), (2, 21344270), (4, 10672135), (5, 8537708), (10, 4268854), (20, 2134427), (167, 255620), (334, 127810), (668, 63905), (835, 51124), (1670, 25562), (3340, 12781)]