9876620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37987}}^1$

素因数の和:38009

約数の個数: 24

約数和(自身を含む): 22336944

約数和(自身を除く): 12460324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 37987, 75974, 151948, 189935, 379870, 493831, 759740, 987662, 1975324, 2469155, 4938310, 9876620]

約数ペア:

[(1, 9876620), (2, 4938310), (4, 2469155), (5, 1975324), (10, 987662), (13, 759740), (20, 493831), (26, 379870), (52, 189935), (65, 151948), (130, 75974), (260, 37987)]