81762620

素因数分解:

$2^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{4363}}^1$

素因数の和:5309

約数の個数: 24

約数和(自身を含む): 171924144

約数和(自身を除く): 90161524

約数列:

[1, 2, 4, 5, 10, 20, 937, 1874, 3748, 4363, 4685, 8726, 9370, 17452, 18740, 21815, 43630, 87260, 4088131, 8176262, 16352524, 20440655, 40881310, 81762620]

約数ペア:

[(1, 81762620), (2, 40881310), (4, 20440655), (5, 16352524), (10, 8176262), (20, 4088131), (937, 87260), (1874, 43630), (3748, 21815), (4363, 18740), (4685, 17452), (8726, 9370)]