25652080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7457}}^1$

素因数の和:7513

約数の個数: 40

約数和(自身を含む): 61036272

約数和(自身を除く): 35384192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 7457, 14914, 29828, 37285, 59656, 74570, 119312, 149140, 298280, 320651, 596560, 641302, 1282604, 1603255, 2565208, 3206510, 5130416, 6413020, 12826040, 25652080]

約数ペア:

[(1, 25652080), (2, 12826040), (4, 6413020), (5, 5130416), (8, 3206510), (10, 2565208), (16, 1603255), (20, 1282604), (40, 641302), (43, 596560), (80, 320651), (86, 298280), (172, 149140), (215, 119312), (344, 74570), (430, 59656), (688, 37285), (860, 29828), (1720, 14914), (3440, 7457)]