68797420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79997}}^1$

素因数の和:80049

約数の個数: 24

約数和(自身を含む): 147836304

約数和(自身を除く): 79038884

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 79997, 159994, 319988, 399985, 799970, 1599940, 3439871, 6879742, 13759484, 17199355, 34398710, 68797420]

約数ペア:

[(1, 68797420), (2, 34398710), (4, 17199355), (5, 13759484), (10, 6879742), (20, 3439871), (43, 1599940), (86, 799970), (172, 399985), (215, 319988), (430, 159994), (860, 79997)]