201231080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{36721}}^1$

素因数の和:36869

約数の個数: 32

約数和(自身を含む): 456087240

約数和(自身を除く): 254856160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 36721, 73442, 146884, 183605, 293768, 367210, 734420, 1468840, 5030777, 10061554, 20123108, 25153885, 40246216, 50307770, 100615540, 201231080]

約数ペア:

[(1, 201231080), (2, 100615540), (4, 50307770), (5, 40246216), (8, 25153885), (10, 20123108), (20, 10061554), (40, 5030777), (137, 1468840), (274, 734420), (548, 367210), (685, 293768), (1096, 183605), (1370, 146884), (2740, 73442), (5480, 36721)]