80455888

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{11351}}^1$

素因数の和:11802

約数の個数: 20

約数和(自身を含む): 156248928

約数和(自身を除く): 75793040

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 11351, 22702, 45404, 90808, 181616, 5028493, 10056986, 20113972, 40227944, 80455888]

約数ペア:

[(1, 80455888), (2, 40227944), (4, 20113972), (8, 10056986), (16, 5028493), (443, 181616), (886, 90808), (1772, 45404), (3544, 22702), (7088, 11351)]