26516620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101987}}^1$

素因数の和:102009

約数の個数: 24

約数和(自身を含む): 59968944

約数和(自身を除く): 33452324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 101987, 203974, 407948, 509935, 1019870, 1325831, 2039740, 2651662, 5303324, 6629155, 13258310, 26516620]

約数ペア:

[(1, 26516620), (2, 13258310), (4, 6629155), (5, 5303324), (10, 2651662), (13, 2039740), (20, 1325831), (26, 1019870), (52, 509935), (65, 407948), (130, 203974), (260, 101987)]