2179661480

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{164627}}^1$

素因数の和:164969

約数の個数: 32

約数和(自身を含む): 4919084640

約数和(自身を除く): 2739423160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 164627, 329254, 658508, 823135, 1317016, 1646270, 3292540, 6585080, 54491537, 108983074, 217966148, 272457685, 435932296, 544915370, 1089830740, 2179661480]

約数ペア:

[(1, 2179661480), (2, 1089830740), (4, 544915370), (5, 435932296), (8, 272457685), (10, 217966148), (20, 108983074), (40, 54491537), (331, 6585080), (662, 3292540), (1324, 1646270), (1655, 1317016), (2648, 823135), (3310, 658508), (6620, 329254), (13240, 164627)]