2021013040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{10847}}^1$

素因数の和:11014

約数の個数: 80

約数和(自身を含む): 5012036352

約数和(自身を除く): 2991023312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 340, 548, 680, 685, 1096, 1360, 1370, 2192, 2329, 2740, 4658, 5480, 9316, 10847, 10960, 11645, 18632, 21694, 23290, 37264, 43388, 46580, 54235, 86776, 93160, 108470, 173552, 184399, 186320, 216940, 368798, 433880, 737596, 867760, 921995, 1475192, 1486039, 1843990, 2950384, 2972078, 3687980, 5944156, 7375960, 7430195, 11888312, 14751920, 14860390, 23776624, 25262663, 29720780, 50525326, 59441560, 101050652, 118883120, 126313315, 202101304, 252626630, 404202608, 505253260, 1010506520, 2021013040]

約数ペア:

[(1, 2021013040), (2, 1010506520), (4, 505253260), (5, 404202608), (8, 252626630), (10, 202101304), (16, 126313315), (17, 118883120), (20, 101050652), (34, 59441560), (40, 50525326), (68, 29720780), (80, 25262663), (85, 23776624), (136, 14860390), (137, 14751920), (170, 11888312), (272, 7430195), (274, 7375960), (340, 5944156), (548, 3687980), (680, 2972078), (685, 2950384), (1096, 1843990), (1360, 1486039), (1370, 1475192), (2192, 921995), (2329, 867760), (2740, 737596), (4658, 433880), (5480, 368798), (9316, 216940), (10847, 186320), (10960, 184399), (11645, 173552), (18632, 108470), (21694, 93160), (23290, 86776), (37264, 54235), (43388, 46580)]