9787940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15787}}^1$

素因数の和:15827

約数の個数: 24

約数和(自身を含む): 21219072

約数和(自身を除く): 11431132

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 15787, 31574, 63148, 78935, 157870, 315740, 489397, 978794, 1957588, 2446985, 4893970, 9787940]

約数ペア:

[(1, 9787940), (2, 4893970), (4, 2446985), (5, 1957588), (10, 978794), (20, 489397), (31, 315740), (62, 157870), (124, 78935), (155, 63148), (310, 31574), (620, 15787)]