39906620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153487}}^1$

素因数の和:153509

約数の個数: 24

約数和(自身を含む): 90250944

約数和(自身を除く): 50344324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153487, 306974, 613948, 767435, 1534870, 1995331, 3069740, 3990662, 7981324, 9976655, 19953310, 39906620]

約数ペア:

[(1, 39906620), (2, 19953310), (4, 9976655), (5, 7981324), (10, 3990662), (13, 3069740), (20, 1995331), (26, 1534870), (52, 767435), (65, 613948), (130, 306974), (260, 153487)]