126620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 286944

約数和(自身を除く): 160324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 487, 974, 1948, 2435, 4870, 6331, 9740, 12662, 25324, 31655, 63310, 126620]

約数ペア:

[(1, 126620), (2, 63310), (4, 31655), (5, 25324), (10, 12662), (13, 9740), (20, 6331), (26, 4870), (52, 2435), (65, 1948), (130, 974), (260, 487)]