9721520

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{887}}^1$

素因数の和:1037

約数の個数: 40

約数和(自身を含む): 22793184

約数和(自身を除く): 13071664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 887, 1096, 1370, 1774, 2192, 2740, 3548, 4435, 5480, 7096, 8870, 10960, 14192, 17740, 35480, 70960, 121519, 243038, 486076, 607595, 972152, 1215190, 1944304, 2430380, 4860760, 9721520]

約数ペア:

[(1, 9721520), (2, 4860760), (4, 2430380), (5, 1944304), (8, 1215190), (10, 972152), (16, 607595), (20, 486076), (40, 243038), (80, 121519), (137, 70960), (274, 35480), (548, 17740), (685, 14192), (887, 10960), (1096, 8870), (1370, 7096), (1774, 5480), (2192, 4435), (2740, 3548)]