29960680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17419}}^1$

素因数の和:17473

約数の個数: 32

約数和(自身を含む): 68983200

約数和(自身を除く): 39022520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17419, 34838, 69676, 87095, 139352, 174190, 348380, 696760, 749017, 1498034, 2996068, 3745085, 5992136, 7490170, 14980340, 29960680]

約数ペア:

[(1, 29960680), (2, 14980340), (4, 7490170), (5, 5992136), (8, 3745085), (10, 2996068), (20, 1498034), (40, 749017), (43, 696760), (86, 348380), (172, 174190), (215, 139352), (344, 87095), (430, 69676), (860, 34838), (1720, 17419)]