8877655840

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{135661}}^1$

素因数の和:136085

約数の個数: 48

約数和(自身を含む): 21024896760

約数和(自身を除く): 12147240920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 13088, 16360, 32720, 65440, 135661, 271322, 542644, 678305, 1085288, 1356610, 2170576, 2713220, 4341152, 5426440, 10852880, 21705760, 55485349, 110970698, 221941396, 277426745, 443882792, 554853490, 887765584, 1109706980, 1775531168, 2219413960, 4438827920, 8877655840]

約数ペア:

[(1, 8877655840), (2, 4438827920), (4, 2219413960), (5, 1775531168), (8, 1109706980), (10, 887765584), (16, 554853490), (20, 443882792), (32, 277426745), (40, 221941396), (80, 110970698), (160, 55485349), (409, 21705760), (818, 10852880), (1636, 5426440), (2045, 4341152), (3272, 2713220), (4090, 2170576), (6544, 1356610), (8180, 1085288), (13088, 678305), (16360, 542644), (32720, 271322), (65440, 135661)]