2856620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10987}}^1$

素因数の和:11009

約数の個数: 24

約数和(自身を含む): 6460944

約数和(自身を除く): 3604324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 10987, 21974, 43948, 54935, 109870, 142831, 219740, 285662, 571324, 714155, 1428310, 2856620]

約数ペア:

[(1, 2856620), (2, 1428310), (4, 714155), (5, 571324), (10, 285662), (13, 219740), (20, 142831), (26, 109870), (52, 54935), (65, 43948), (130, 21974), (260, 10987)]