7253240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4217}}^1$

素因数の和:4271

約数の個数: 32

約数和(自身を含む): 16703280

約数和(自身を除く): 9450040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4217, 8434, 16868, 21085, 33736, 42170, 84340, 168680, 181331, 362662, 725324, 906655, 1450648, 1813310, 3626620, 7253240]

約数ペア:

[(1, 7253240), (2, 3626620), (4, 1813310), (5, 1450648), (8, 906655), (10, 725324), (20, 362662), (40, 181331), (43, 168680), (86, 84340), (172, 42170), (215, 33736), (344, 21085), (430, 16868), (860, 8434), (1720, 4217)]