2078448080

素因数分解:

$2^4\times 5^1\times {\mathrm{25980601}}^1$

素因数の和:25980614

約数の個数: 20

約数和(自身を含む): 4832391972

約数和(自身を除く): 2753943892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25980601, 51961202, 103922404, 129903005, 207844808, 259806010, 415689616, 519612020, 1039224040, 2078448080]

約数ペア:

[(1, 2078448080), (2, 1039224040), (4, 519612020), (5, 415689616), (8, 259806010), (10, 207844808), (16, 129903005), (20, 103922404), (40, 51961202), (80, 25980601)]