2097156620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8065987}}^1$

素因数の和:8066009

約数の個数: 24

約数和(自身を含む): 4742800944

約数和(自身を除く): 2645644324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8065987, 16131974, 32263948, 40329935, 80659870, 104857831, 161319740, 209715662, 419431324, 524289155, 1048578310, 2097156620]

約数ペア:

[(1, 2097156620), (2, 1048578310), (4, 524289155), (5, 419431324), (10, 209715662), (13, 161319740), (20, 104857831), (26, 80659870), (52, 40329935), (65, 32263948), (130, 16131974), (260, 8065987)]