3228440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1931

約数の個数: 32

約数和(自身を含む): 7436880

約数和(自身を除く): 4208440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1877, 3754, 7508, 9385, 15016, 18770, 37540, 75080, 80711, 161422, 322844, 403555, 645688, 807110, 1614220, 3228440]

約数ペア:

[(1, 3228440), (2, 1614220), (4, 807110), (5, 645688), (8, 403555), (10, 322844), (20, 161422), (40, 80711), (43, 75080), (86, 37540), (172, 18770), (215, 15016), (344, 9385), (430, 7508), (860, 3754), (1720, 1877)]