4256660

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 8979936

約数和(自身を除く): 4723276

約数列:

[1, 2, 4, 5, 10, 20, 331, 643, 662, 1286, 1324, 1655, 2572, 3215, 3310, 6430, 6620, 12860, 212833, 425666, 851332, 1064165, 2128330, 4256660]

約数ペア:

[(1, 4256660), (2, 2128330), (4, 1064165), (5, 851332), (10, 425666), (20, 212833), (331, 12860), (643, 6620), (662, 6430), (1286, 3310), (1324, 3215), (1655, 2572)]