69156620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{265987}}^1$

素因数の和:266009

約数の個数: 24

約数和(自身を含む): 156400944

約数和(自身を除く): 87244324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 265987, 531974, 1063948, 1329935, 2659870, 3457831, 5319740, 6915662, 13831324, 17289155, 34578310, 69156620]

約数ペア:

[(1, 69156620), (2, 34578310), (4, 17289155), (5, 13831324), (10, 6915662), (13, 5319740), (20, 3457831), (26, 2659870), (52, 1329935), (65, 1063948), (130, 531974), (260, 265987)]