80766040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46957}}^1$

素因数の和:47011

約数の個数: 32

約数和(自身を含む): 185953680

約数和(自身を除く): 105187640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 46957, 93914, 187828, 234785, 375656, 469570, 939140, 1878280, 2019151, 4038302, 8076604, 10095755, 16153208, 20191510, 40383020, 80766040]

約数ペア:

[(1, 80766040), (2, 40383020), (4, 20191510), (5, 16153208), (8, 10095755), (10, 8076604), (20, 4038302), (40, 2019151), (43, 1878280), (86, 939140), (172, 469570), (215, 375656), (344, 234785), (430, 187828), (860, 93914), (1720, 46957)]