86864620

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{10831}}^1$

素因数の和:11241

約数の個数: 24

約数和(自身を含む): 182887488

約数和(自身を除く): 96022868

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 10831, 21662, 43324, 54155, 108310, 216620, 4343231, 8686462, 17372924, 21716155, 43432310, 86864620]

約数ペア:

[(1, 86864620), (2, 43432310), (4, 21716155), (5, 17372924), (10, 8686462), (20, 4343231), (401, 216620), (802, 108310), (1604, 54155), (2005, 43324), (4010, 21662), (8020, 10831)]