20172568880

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{743}}^1\times {\mathrm{4649}}^1$

素因数の和:5478

約数の個数: 80

約数和(自身を含む): 47617934400

約数和(自身を除く): 27445365520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 743, 1168, 1460, 1486, 2920, 2972, 3715, 4649, 5840, 5944, 7430, 9298, 11888, 14860, 18596, 23245, 29720, 37192, 46490, 54239, 59440, 74384, 92980, 108478, 185960, 216956, 271195, 339377, 371920, 433912, 542390, 678754, 867824, 1084780, 1357508, 1696885, 2169560, 2715016, 3393770, 3454207, 4339120, 5430032, 6787540, 6908414, 13575080, 13816828, 17271035, 27150160, 27633656, 34542070, 55267312, 69084140, 138168280, 252157111, 276336560, 504314222, 1008628444, 1260785555, 2017256888, 2521571110, 4034513776, 5043142220, 10086284440, 20172568880]

約数ペア:

[(1, 20172568880), (2, 10086284440), (4, 5043142220), (5, 4034513776), (8, 2521571110), (10, 2017256888), (16, 1260785555), (20, 1008628444), (40, 504314222), (73, 276336560), (80, 252157111), (146, 138168280), (292, 69084140), (365, 55267312), (584, 34542070), (730, 27633656), (743, 27150160), (1168, 17271035), (1460, 13816828), (1486, 13575080), (2920, 6908414), (2972, 6787540), (3715, 5430032), (4649, 4339120), (5840, 3454207), (5944, 3393770), (7430, 2715016), (9298, 2169560), (11888, 1696885), (14860, 1357508), (18596, 1084780), (23245, 867824), (29720, 678754), (37192, 542390), (46490, 433912), (54239, 371920), (59440, 339377), (74384, 271195), (92980, 216956), (108478, 185960)]