7264240

素因数分解:

$2^4\times 5^1\times {\mathrm{90803}}^1$

素因数の和:90816

約数の個数: 20

約数和(自身を含む): 16889544

約数和(自身を除く): 9625304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 90803, 181606, 363212, 454015, 726424, 908030, 1452848, 1816060, 3632120, 7264240]

約数ペア:

[(1, 7264240), (2, 3632120), (4, 1816060), (5, 1452848), (8, 908030), (10, 726424), (16, 454015), (20, 363212), (40, 181606), (80, 90803)]