259124620

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{8713}}^1$

素因数の和:10209

約数の個数: 24

約数和(自身を含む): 544590144

約数和(自身を除く): 285465524

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 5948, 7435, 8713, 14870, 17426, 29740, 34852, 43565, 87130, 174260, 12956231, 25912462, 51824924, 64781155, 129562310, 259124620]

約数ペア:

[(1, 259124620), (2, 129562310), (4, 64781155), (5, 51824924), (10, 25912462), (20, 12956231), (1487, 174260), (2974, 87130), (5948, 43565), (7435, 34852), (8713, 29740), (14870, 17426)]