80219972

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{32191}}^1$

素因数の和:32291

約数の個数: 24

約数和(自身を含む): 162247680

約数和(自身を除く): 82027708

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 32191, 64382, 128764, 225337, 450674, 901348, 2864999, 5729998, 11459996, 20054993, 40109986, 80219972]

約数ペア:

[(1, 80219972), (2, 40109986), (4, 20054993), (7, 11459996), (14, 5729998), (28, 2864999), (89, 901348), (178, 450674), (356, 225337), (623, 128764), (1246, 64382), (2492, 32191)]