204845920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:752

約数の個数: 96

約数和(自身を含む): 517321728

約数和(自身を除く): 312475808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 127, 136, 160, 170, 254, 272, 340, 508, 544, 593, 635, 680, 1016, 1186, 1270, 1360, 2032, 2159, 2372, 2540, 2720, 2965, 4064, 4318, 4744, 5080, 5930, 8636, 9488, 10081, 10160, 10795, 11860, 17272, 18976, 20162, 20320, 21590, 23720, 34544, 40324, 43180, 47440, 50405, 69088, 75311, 80648, 86360, 94880, 100810, 150622, 161296, 172720, 201620, 301244, 322592, 345440, 376555, 403240, 602488, 753110, 806480, 1204976, 1280287, 1506220, 1612960, 2409952, 2560574, 3012440, 5121148, 6024880, 6401435, 10242296, 12049760, 12802870, 20484592, 25605740, 40969184, 51211480, 102422960, 204845920]

約数ペア:

[(1, 204845920), (2, 102422960), (4, 51211480), (5, 40969184), (8, 25605740), (10, 20484592), (16, 12802870), (17, 12049760), (20, 10242296), (32, 6401435), (34, 6024880), (40, 5121148), (68, 3012440), (80, 2560574), (85, 2409952), (127, 1612960), (136, 1506220), (160, 1280287), (170, 1204976), (254, 806480), (272, 753110), (340, 602488), (508, 403240), (544, 376555), (593, 345440), (635, 322592), (680, 301244), (1016, 201620), (1186, 172720), (1270, 161296), (1360, 150622), (2032, 100810), (2159, 94880), (2372, 86360), (2540, 80648), (2720, 75311), (2965, 69088), (4064, 50405), (4318, 47440), (4744, 43180), (5080, 40324), (5930, 34544), (8636, 23720), (9488, 21590), (10081, 20320), (10160, 20162), (10795, 18976), (11860, 17272)]