28834480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 70308000

約数和(自身を除く): 41473520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 59, 80, 82, 118, 149, 164, 205, 236, 295, 298, 328, 410, 472, 590, 596, 656, 745, 820, 944, 1180, 1192, 1490, 1640, 2360, 2384, 2419, 2980, 3280, 4720, 4838, 5960, 6109, 8791, 9676, 11920, 12095, 12218, 17582, 19352, 24190, 24436, 30545, 35164, 38704, 43955, 48380, 48872, 61090, 70328, 87910, 96760, 97744, 122180, 140656, 175820, 193520, 244360, 351640, 360431, 488720, 703280, 720862, 1441724, 1802155, 2883448, 3604310, 5766896, 7208620, 14417240, 28834480]

約数ペア:

[(1, 28834480), (2, 14417240), (4, 7208620), (5, 5766896), (8, 3604310), (10, 2883448), (16, 1802155), (20, 1441724), (40, 720862), (41, 703280), (59, 488720), (80, 360431), (82, 351640), (118, 244360), (149, 193520), (164, 175820), (205, 140656), (236, 122180), (295, 97744), (298, 96760), (328, 87910), (410, 70328), (472, 61090), (590, 48872), (596, 48380), (656, 43955), (745, 38704), (820, 35164), (944, 30545), (1180, 24436), (1192, 24190), (1490, 19352), (1640, 17582), (2360, 12218), (2384, 12095), (2419, 11920), (2980, 9676), (3280, 8791), (4720, 6109), (4838, 5960)]