2272120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 5235120

約数和(自身を除く): 2963000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1321, 1720, 2642, 5284, 6605, 10568, 13210, 26420, 52840, 56803, 113606, 227212, 284015, 454424, 568030, 1136060, 2272120]

約数ペア:

[(1, 2272120), (2, 1136060), (4, 568030), (5, 454424), (8, 284015), (10, 227212), (20, 113606), (40, 56803), (43, 52840), (86, 26420), (172, 13210), (215, 10568), (344, 6605), (430, 5284), (860, 2642), (1321, 1720)]