84362420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{102881}}^1$

素因数の和:102931

約数の個数: 24

約数和(自身を含む): 181483848

約数和(自身を除く): 97121428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 102881, 205762, 411524, 514405, 1028810, 2057620, 4218121, 8436242, 16872484, 21090605, 42181210, 84362420]

約数ペア:

[(1, 84362420), (2, 42181210), (4, 21090605), (5, 16872484), (10, 8436242), (20, 4218121), (41, 2057620), (82, 1028810), (164, 514405), (205, 411524), (410, 205762), (820, 102881)]