13980040

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{937}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 31573080

約数和(自身を除く): 17593040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 937, 1492, 1865, 1874, 2984, 3730, 3748, 4685, 7460, 7496, 9370, 14920, 18740, 37480, 349501, 699002, 1398004, 1747505, 2796008, 3495010, 6990020, 13980040]

約数ペア:

[(1, 13980040), (2, 6990020), (4, 3495010), (5, 2796008), (8, 1747505), (10, 1398004), (20, 699002), (40, 349501), (373, 37480), (746, 18740), (937, 14920), (1492, 9370), (1865, 7496), (1874, 7460), (2984, 4685), (3730, 3748)]