80745740

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{26737}}^1$

素因数の和:26897

約数の個数: 24

約数和(自身を含む): 170695392

約数和(自身を除く): 89949652

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 26737, 53474, 106948, 133685, 267370, 534740, 4037287, 8074574, 16149148, 20186435, 40372870, 80745740]

約数ペア:

[(1, 80745740), (2, 40372870), (4, 20186435), (5, 16149148), (10, 8074574), (20, 4037287), (151, 534740), (302, 267370), (604, 133685), (755, 106948), (1510, 53474), (3020, 26737)]