85466380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137849}}^1$

素因数の和:137889

約数の個数: 24

約数和(自身を含む): 185270400

約数和(自身を除く): 99804020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 137849, 275698, 551396, 689245, 1378490, 2756980, 4273319, 8546638, 17093276, 21366595, 42733190, 85466380]

約数ペア:

[(1, 85466380), (2, 42733190), (4, 21366595), (5, 17093276), (10, 8546638), (20, 4273319), (31, 2756980), (62, 1378490), (124, 689245), (155, 551396), (310, 275698), (620, 137849)]