89367080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 220682880

約数和(自身を除く): 131315800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1031, 1576, 1970, 2062, 2167, 3940, 4124, 4334, 5155, 7880, 8248, 8668, 10310, 10835, 11341, 17336, 20620, 21670, 22682, 41240, 43340, 45364, 56705, 86680, 90728, 113410, 203107, 226820, 406214, 453640, 812428, 1015535, 1624856, 2031070, 2234177, 4062140, 4468354, 8124280, 8936708, 11170885, 17873416, 22341770, 44683540, 89367080]

約数ペア:

[(1, 89367080), (2, 44683540), (4, 22341770), (5, 17873416), (8, 11170885), (10, 8936708), (11, 8124280), (20, 4468354), (22, 4062140), (40, 2234177), (44, 2031070), (55, 1624856), (88, 1015535), (110, 812428), (197, 453640), (220, 406214), (394, 226820), (440, 203107), (788, 113410), (985, 90728), (1031, 86680), (1576, 56705), (1970, 45364), (2062, 43340), (2167, 41240), (3940, 22682), (4124, 21670), (4334, 20620), (5155, 17336), (7880, 11341), (8248, 10835), (8668, 10310)]