8216740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3089}}^1$

素因数の和:3124

約数の個数: 48

約数和(自身を含む): 20764800

約数和(自身を除く): 12548060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 3089, 6178, 12356, 15445, 21623, 30890, 43246, 58691, 61780, 86492, 108115, 117382, 216230, 234764, 293455, 410837, 432460, 586910, 821674, 1173820, 1643348, 2054185, 4108370, 8216740]

約数ペア:

[(1, 8216740), (2, 4108370), (4, 2054185), (5, 1643348), (7, 1173820), (10, 821674), (14, 586910), (19, 432460), (20, 410837), (28, 293455), (35, 234764), (38, 216230), (70, 117382), (76, 108115), (95, 86492), (133, 61780), (140, 58691), (190, 43246), (266, 30890), (380, 21623), (532, 15445), (665, 12356), (1330, 6178), (2660, 3089)]