3211240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 7397280

約数和(自身を除く): 4186040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1867, 3734, 7468, 9335, 14936, 18670, 37340, 74680, 80281, 160562, 321124, 401405, 642248, 802810, 1605620, 3211240]

約数ペア:

[(1, 3211240), (2, 1605620), (4, 802810), (5, 642248), (8, 401405), (10, 321124), (20, 160562), (40, 80281), (43, 74680), (86, 37340), (172, 18670), (215, 14936), (344, 9335), (430, 7468), (860, 3734), (1720, 1867)]