86839940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{394727}}^1$

素因数の和:394747

約数の個数: 24

約数和(自身を含む): 198942912

約数和(自身を除く): 112102972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 394727, 789454, 1578908, 1973635, 3947270, 4341997, 7894540, 8683994, 17367988, 21709985, 43419970, 86839940]

約数ペア:

[(1, 86839940), (2, 43419970), (4, 21709985), (5, 17367988), (10, 8683994), (11, 7894540), (20, 4341997), (22, 3947270), (44, 1973635), (55, 1578908), (110, 789454), (220, 394727)]