85040740

素因数分解:

$2^2\times 5^1\times {\mathrm{4252037}}^1$

素因数の和:4252046

約数の個数: 12

約数和(自身を含む): 178585596

約数和(自身を除く): 93544856

約数列:

[1, 2, 4, 5, 10, 20, 4252037, 8504074, 17008148, 21260185, 42520370, 85040740]

約数ペア:

[(1, 85040740), (2, 42520370), (4, 21260185), (5, 17008148), (10, 8504074), (20, 4252037)]