68080720

素因数分解:

$2^4\times 5^1\times {\mathrm{851009}}^1$

素因数の和:851022

約数の個数: 20

約数和(自身を含む): 158287860

約数和(自身を除く): 90207140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 851009, 1702018, 3404036, 4255045, 6808072, 8510090, 13616144, 17020180, 34040360, 68080720]

約数ペア:

[(1, 68080720), (2, 34040360), (4, 17020180), (5, 13616144), (8, 8510090), (10, 6808072), (16, 4255045), (20, 3404036), (40, 1702018), (80, 851009)]