85437920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:444

約数の個数: 96

約数和(自身を含む): 216530496

約数和(自身を除く): 131092576

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 101, 136, 160, 170, 202, 272, 311, 340, 404, 505, 544, 622, 680, 808, 1010, 1244, 1360, 1555, 1616, 1717, 2020, 2488, 2720, 3110, 3232, 3434, 4040, 4976, 5287, 6220, 6868, 8080, 8585, 9952, 10574, 12440, 13736, 16160, 17170, 21148, 24880, 26435, 27472, 31411, 34340, 42296, 49760, 52870, 54944, 62822, 68680, 84592, 105740, 125644, 137360, 157055, 169184, 211480, 251288, 274720, 314110, 422960, 502576, 533987, 628220, 845920, 1005152, 1067974, 1256440, 2135948, 2512880, 2669935, 4271896, 5025760, 5339870, 8543792, 10679740, 17087584, 21359480, 42718960, 85437920]

約数ペア:

[(1, 85437920), (2, 42718960), (4, 21359480), (5, 17087584), (8, 10679740), (10, 8543792), (16, 5339870), (17, 5025760), (20, 4271896), (32, 2669935), (34, 2512880), (40, 2135948), (68, 1256440), (80, 1067974), (85, 1005152), (101, 845920), (136, 628220), (160, 533987), (170, 502576), (202, 422960), (272, 314110), (311, 274720), (340, 251288), (404, 211480), (505, 169184), (544, 157055), (622, 137360), (680, 125644), (808, 105740), (1010, 84592), (1244, 68680), (1360, 62822), (1555, 54944), (1616, 52870), (1717, 49760), (2020, 42296), (2488, 34340), (2720, 31411), (3110, 27472), (3232, 26435), (3434, 24880), (4040, 21148), (4976, 17170), (5287, 16160), (6220, 13736), (6868, 12440), (8080, 10574), (8585, 9952)]