139985080

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{4391}}^1$

素因数の和:5199

約数の個数: 32

約数和(自身を含む): 315433440

約数和(自身を除く): 175448360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 3188, 3985, 4391, 6376, 7970, 8782, 15940, 17564, 21955, 31880, 35128, 43910, 87820, 175640, 3499627, 6999254, 13998508, 17498135, 27997016, 34996270, 69992540, 139985080]

約数ペア:

[(1, 139985080), (2, 69992540), (4, 34996270), (5, 27997016), (8, 17498135), (10, 13998508), (20, 6999254), (40, 3499627), (797, 175640), (1594, 87820), (3188, 43910), (3985, 35128), (4391, 31880), (6376, 21955), (7970, 17564), (8782, 15940)]