9986960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4071

約数の個数: 40

約数和(自身を含む): 23974656

約数和(自身を除く): 13987696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4027, 8054, 16108, 20135, 32216, 40270, 64432, 80540, 124837, 161080, 249674, 322160, 499348, 624185, 998696, 1248370, 1997392, 2496740, 4993480, 9986960]

約数ペア:

[(1, 9986960), (2, 4993480), (4, 2496740), (5, 1997392), (8, 1248370), (10, 998696), (16, 624185), (20, 499348), (31, 322160), (40, 249674), (62, 161080), (80, 124837), (124, 80540), (155, 64432), (248, 40270), (310, 32216), (496, 20135), (620, 16108), (1240, 8054), (2480, 4027)]