39406120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75781}}^1$

素因数の和:75805

約数の個数: 32

約数和(自身を含む): 95485320

約数和(自身を除く): 56079200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 75781, 151562, 303124, 378905, 606248, 757810, 985153, 1515620, 1970306, 3031240, 3940612, 4925765, 7881224, 9851530, 19703060, 39406120]

約数ペア:

[(1, 39406120), (2, 19703060), (4, 9851530), (5, 7881224), (8, 4925765), (10, 3940612), (13, 3031240), (20, 1970306), (26, 1515620), (40, 985153), (52, 757810), (65, 606248), (104, 378905), (130, 303124), (260, 151562), (520, 75781)]