7880054960

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1015471}}^1$

素因数の和:1015581

約数の個数: 40

約数和(自身を含む): 18510023616

約数和(自身を除く): 10629968656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 1015471, 2030942, 4061884, 5077355, 8123768, 10154710, 16247536, 20309420, 40618840, 81237680, 98500687, 197001374, 394002748, 492503435, 788005496, 985006870, 1576010992, 1970013740, 3940027480, 7880054960]

約数ペア:

[(1, 7880054960), (2, 3940027480), (4, 1970013740), (5, 1576010992), (8, 985006870), (10, 788005496), (16, 492503435), (20, 394002748), (40, 197001374), (80, 98500687), (97, 81237680), (194, 40618840), (388, 20309420), (485, 16247536), (776, 10154710), (970, 8123768), (1552, 5077355), (1940, 4061884), (3880, 2030942), (7760, 1015471)]