85224880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 226204272

約数和(自身を除く): 140979392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 227, 247, 260, 304, 361, 380, 454, 494, 520, 722, 760, 908, 988, 1040, 1135, 1235, 1444, 1520, 1805, 1816, 1976, 2270, 2470, 2888, 2951, 3610, 3632, 3952, 4313, 4540, 4693, 4940, 5776, 5902, 7220, 8626, 9080, 9386, 9880, 11804, 14440, 14755, 17252, 18160, 18772, 19760, 21565, 23465, 23608, 28880, 29510, 34504, 37544, 43130, 46930, 47216, 56069, 59020, 69008, 75088, 81947, 86260, 93860, 112138, 118040, 163894, 172520, 187720, 224276, 236080, 280345, 327788, 345040, 375440, 409735, 448552, 560690, 655576, 819470, 897104, 1065311, 1121380, 1311152, 1638940, 2130622, 2242760, 3277880, 4261244, 4485520, 5326555, 6555760, 8522488, 10653110, 17044976, 21306220, 42612440, 85224880]

約数ペア:

[(1, 85224880), (2, 42612440), (4, 21306220), (5, 17044976), (8, 10653110), (10, 8522488), (13, 6555760), (16, 5326555), (19, 4485520), (20, 4261244), (26, 3277880), (38, 2242760), (40, 2130622), (52, 1638940), (65, 1311152), (76, 1121380), (80, 1065311), (95, 897104), (104, 819470), (130, 655576), (152, 560690), (190, 448552), (208, 409735), (227, 375440), (247, 345040), (260, 327788), (304, 280345), (361, 236080), (380, 224276), (454, 187720), (494, 172520), (520, 163894), (722, 118040), (760, 112138), (908, 93860), (988, 86260), (1040, 81947), (1135, 75088), (1235, 69008), (1444, 59020), (1520, 56069), (1805, 47216), (1816, 46930), (1976, 43130), (2270, 37544), (2470, 34504), (2888, 29510), (2951, 28880), (3610, 23608), (3632, 23465), (3952, 21565), (4313, 19760), (4540, 18772), (4693, 18160), (4940, 17252), (5776, 14755), (5902, 14440), (7220, 11804), (8626, 9880), (9080, 9386)]