2016992575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1951}}^1\times {\mathrm{3181}}^1$

素因数の和:5155

約数の個数: 24

約数和(自身を含む): 2695688576

約数和(自身を除く): 678696001

約数列:

[1, 5, 13, 25, 65, 325, 1951, 3181, 9755, 15905, 25363, 41353, 48775, 79525, 126815, 206765, 634075, 1033825, 6206131, 31030655, 80679703, 155153275, 403398515, 2016992575]

約数ペア:

[(1, 2016992575), (5, 403398515), (13, 155153275), (25, 80679703), (65, 31030655), (325, 6206131), (1951, 1033825), (3181, 634075), (9755, 206765), (15905, 126815), (25363, 79525), (41353, 48775)]