128260400

素因数分解:

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

素因数の和:7518

約数の個数: 60

約数和(自身を含む): 315354072

約数和(自身を除く): 187093672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4300, 7457, 8600, 14914, 17200, 29828, 37285, 59656, 74570, 119312, 149140, 186425, 298280, 320651, 372850, 596560, 641302, 745700, 1282604, 1491400, 1603255, 2565208, 2982800, 3206510, 5130416, 6413020, 8016275, 12826040, 16032550, 25652080, 32065100, 64130200, 128260400]

約数ペア:

[(1, 128260400), (2, 64130200), (4, 32065100), (5, 25652080), (8, 16032550), (10, 12826040), (16, 8016275), (20, 6413020), (25, 5130416), (40, 3206510), (43, 2982800), (50, 2565208), (80, 1603255), (86, 1491400), (100, 1282604), (172, 745700), (200, 641302), (215, 596560), (344, 372850), (400, 320651), (430, 298280), (688, 186425), (860, 149140), (1075, 119312), (1720, 74570), (2150, 59656), (3440, 37285), (4300, 29828), (7457, 17200), (8600, 14914)]