86186420

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{17881}}^1$

素因数の和:18131

約数の個数: 24

約数和(自身を含む): 181752648

約数和(自身を除く): 95566228

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 17881, 35762, 71524, 89405, 178810, 357620, 4309321, 8618642, 17237284, 21546605, 43093210, 86186420]

約数ペア:

[(1, 86186420), (2, 43093210), (4, 21546605), (5, 17237284), (10, 8618642), (20, 4309321), (241, 357620), (482, 178810), (964, 89405), (1205, 71524), (2410, 35762), (4820, 17881)]