2017896890

素因数分解:

$2^1\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{161561}}^1$

素因数の和:162817

約数の個数: 16

約数和(自身を含む): 3635145000

約数和(自身を除く): 1617248110

約数列:

[1, 2, 5, 10, 1249, 2498, 6245, 12490, 161561, 323122, 807805, 1615610, 201789689, 403579378, 1008948445, 2017896890]

約数ペア:

[(1, 2017896890), (2, 1008948445), (5, 403579378), (10, 201789689), (1249, 1615610), (2498, 807805), (6245, 323122), (12490, 161561)]