61286380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{98849}}^1$

素因数の和:98889

約数の個数: 24

約数和(自身を含む): 132854400

約数和(自身を除く): 71568020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 98849, 197698, 395396, 494245, 988490, 1976980, 3064319, 6128638, 12257276, 15321595, 30643190, 61286380]

約数ペア:

[(1, 61286380), (2, 30643190), (4, 15321595), (5, 12257276), (10, 6128638), (20, 3064319), (31, 1976980), (62, 988490), (124, 494245), (155, 395396), (310, 197698), (620, 98849)]