84757280

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2689}}^1$

素因数の和:2901

約数の個数: 48

約数和(自身を含む): 201330360

約数和(自身を除く): 116573080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2689, 3152, 3940, 5378, 6304, 7880, 10756, 13445, 15760, 21512, 26890, 31520, 43024, 53780, 86048, 107560, 215120, 430240, 529733, 1059466, 2118932, 2648665, 4237864, 5297330, 8475728, 10594660, 16951456, 21189320, 42378640, 84757280]

約数ペア:

[(1, 84757280), (2, 42378640), (4, 21189320), (5, 16951456), (8, 10594660), (10, 8475728), (16, 5297330), (20, 4237864), (32, 2648665), (40, 2118932), (80, 1059466), (160, 529733), (197, 430240), (394, 215120), (788, 107560), (985, 86048), (1576, 53780), (1970, 43024), (2689, 31520), (3152, 26890), (3940, 21512), (5378, 15760), (6304, 13445), (7880, 10756)]