91782640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26681}}^1$

素因数の和:26737

約数の個数: 40

約数和(自身を含む): 218365488

約数和(自身を除く): 126582848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 26681, 53362, 106724, 133405, 213448, 266810, 426896, 533620, 1067240, 1147283, 2134480, 2294566, 4589132, 5736415, 9178264, 11472830, 18356528, 22945660, 45891320, 91782640]

約数ペア:

[(1, 91782640), (2, 45891320), (4, 22945660), (5, 18356528), (8, 11472830), (10, 9178264), (16, 5736415), (20, 4589132), (40, 2294566), (43, 2134480), (80, 1147283), (86, 1067240), (172, 533620), (215, 426896), (344, 266810), (430, 213448), (688, 133405), (860, 106724), (1720, 53362), (3440, 26681)]