7264720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1363

約数の個数: 40

約数和(自身を含む): 17141760

約数和(自身を除く): 9877040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1279, 1420, 2558, 2840, 5116, 5680, 6395, 10232, 12790, 20464, 25580, 51160, 90809, 102320, 181618, 363236, 454045, 726472, 908090, 1452944, 1816180, 3632360, 7264720]

約数ペア:

[(1, 7264720), (2, 3632360), (4, 1816180), (5, 1452944), (8, 908090), (10, 726472), (16, 454045), (20, 363236), (40, 181618), (71, 102320), (80, 90809), (142, 51160), (284, 25580), (355, 20464), (568, 12790), (710, 10232), (1136, 6395), (1279, 5680), (1420, 5116), (2558, 2840)]