66440005

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{613}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 81563760

約数和(自身を除く): 15123755

約数列:

[1, 5, 53, 265, 409, 613, 2045, 3065, 21677, 32489, 108385, 162445, 250717, 1253585, 13288001, 66440005]

約数ペア:

[(1, 66440005), (5, 13288001), (53, 1253585), (265, 250717), (409, 162445), (613, 108385), (2045, 32489), (3065, 21677)]