86464820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 215066880

約数和(自身を除く): 128602060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 190, 230, 247, 260, 299, 380, 437, 460, 494, 598, 761, 874, 988, 1196, 1235, 1495, 1522, 1748, 2185, 2470, 2990, 3044, 3805, 4370, 4940, 5681, 5980, 7610, 8740, 9893, 11362, 14459, 15220, 17503, 19786, 22724, 28405, 28918, 35006, 39572, 49465, 56810, 57836, 70012, 72295, 87515, 98930, 113620, 144590, 175030, 187967, 197860, 227539, 289180, 332557, 350060, 375934, 455078, 665114, 751868, 910156, 939835, 1137695, 1330228, 1662785, 1879670, 2275390, 3325570, 3759340, 4323241, 4550780, 6651140, 8646482, 17292964, 21616205, 43232410, 86464820]

約数ペア:

[(1, 86464820), (2, 43232410), (4, 21616205), (5, 17292964), (10, 8646482), (13, 6651140), (19, 4550780), (20, 4323241), (23, 3759340), (26, 3325570), (38, 2275390), (46, 1879670), (52, 1662785), (65, 1330228), (76, 1137695), (92, 939835), (95, 910156), (115, 751868), (130, 665114), (190, 455078), (230, 375934), (247, 350060), (260, 332557), (299, 289180), (380, 227539), (437, 197860), (460, 187967), (494, 175030), (598, 144590), (761, 113620), (874, 98930), (988, 87515), (1196, 72295), (1235, 70012), (1495, 57836), (1522, 56810), (1748, 49465), (2185, 39572), (2470, 35006), (2990, 28918), (3044, 28405), (3805, 22724), (4370, 19786), (4940, 17503), (5681, 15220), (5980, 14459), (7610, 11362), (8740, 9893)]