837640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 1932480

約数和(自身を除く): 1094840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 487, 860, 974, 1720, 1948, 2435, 3896, 4870, 9740, 19480, 20941, 41882, 83764, 104705, 167528, 209410, 418820, 837640]

約数ペア:

[(1, 837640), (2, 418820), (4, 209410), (5, 167528), (8, 104705), (10, 83764), (20, 41882), (40, 20941), (43, 19480), (86, 9740), (172, 4870), (215, 3896), (344, 2435), (430, 1948), (487, 1720), (860, 974)]