80590480

素因数分解:

$2^4\times 5^1\times {\mathrm{1007381}}^1$

素因数の和:1007394

約数の個数: 20

約数和(自身を含む): 187373052

約数和(自身を除く): 106782572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1007381, 2014762, 4029524, 5036905, 8059048, 10073810, 16118096, 20147620, 40295240, 80590480]

約数ペア:

[(1, 80590480), (2, 40295240), (4, 20147620), (5, 16118096), (8, 10073810), (10, 8059048), (16, 5036905), (20, 4029524), (40, 2014762), (80, 1007381)]