2021801225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{839}}^1\times {\mathrm{2351}}^1$

素因数の和:3241

約数の個数: 24

約数和(自身を含む): 2572335360

約数和(自身を除く): 550534135

約数列:

[1, 5, 25, 41, 205, 839, 1025, 2351, 4195, 11755, 20975, 34399, 58775, 96391, 171995, 481955, 859975, 1972489, 2409775, 9862445, 49312225, 80872049, 404360245, 2021801225]

約数ペア:

[(1, 2021801225), (5, 404360245), (25, 80872049), (41, 49312225), (205, 9862445), (839, 2409775), (1025, 1972489), (2351, 859975), (4195, 481955), (11755, 171995), (20975, 96391), (34399, 58775)]