256530475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1879}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 328232960

約数和(自身を除く): 71702485

約数列:

[1, 5, 25, 43, 127, 215, 635, 1075, 1879, 3175, 5461, 9395, 27305, 46975, 80797, 136525, 238633, 403985, 1193165, 2019925, 5965825, 10261219, 51306095, 256530475]

約数ペア:

[(1, 256530475), (5, 51306095), (25, 10261219), (43, 5965825), (127, 2019925), (215, 1193165), (635, 403985), (1075, 238633), (1879, 136525), (3175, 80797), (5461, 46975), (9395, 27305)]