1123221640

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{21751}}^1$

素因数の和:23053

約数の個数: 32

約数和(自身を含む): 2529322560

約数和(自身を除く): 1406100920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 2582, 5164, 6455, 10328, 12910, 21751, 25820, 43502, 51640, 87004, 108755, 174008, 217510, 435020, 870040, 28080541, 56161082, 112322164, 140402705, 224644328, 280805410, 561610820, 1123221640]

約数ペア:

[(1, 1123221640), (2, 561610820), (4, 280805410), (5, 224644328), (8, 140402705), (10, 112322164), (20, 56161082), (40, 28080541), (1291, 870040), (2582, 435020), (5164, 217510), (6455, 174008), (10328, 108755), (12910, 87004), (21751, 51640), (25820, 43502)]