201618084880

素因数分解:

$2^4\times 5^1\times {\mathrm{2520226061}}^1$

素因数の和:2520226074

約数の個数: 20

約数和(自身を含む): 468762047532

約数和(自身を除く): 267143962652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520226061, 5040452122, 10080904244, 12601130305, 20161808488, 25202260610, 40323616976, 50404521220, 100809042440, 201618084880]

約数ペア:

[(1, 201618084880), (2, 100809042440), (4, 50404521220), (5, 40323616976), (8, 25202260610), (10, 20161808488), (16, 12601130305), (20, 10080904244), (40, 5040452122), (80, 2520226061)]