85494380

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21481}}^1$

素因数の和:21689

約数の個数: 24

約数和(自身を含む): 180448800

約数和(自身を除く): 94954420

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21481, 42962, 85924, 107405, 214810, 429620, 4274719, 8549438, 17098876, 21373595, 42747190, 85494380]

約数ペア:

[(1, 85494380), (2, 42747190), (4, 21373595), (5, 17098876), (10, 8549438), (20, 4274719), (199, 429620), (398, 214810), (796, 107405), (995, 85924), (1990, 42962), (3980, 21481)]