27902960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 68245632

約数和(自身を除く): 40342672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 181, 188, 205, 235, 328, 362, 376, 410, 470, 656, 724, 752, 820, 905, 940, 1448, 1640, 1810, 1880, 1927, 2896, 3280, 3620, 3760, 3854, 7240, 7421, 7708, 8507, 9635, 14480, 14842, 15416, 17014, 19270, 29684, 30832, 34028, 37105, 38540, 42535, 59368, 68056, 74210, 77080, 85070, 118736, 136112, 148420, 154160, 170140, 296840, 340280, 348787, 593680, 680560, 697574, 1395148, 1743935, 2790296, 3487870, 5580592, 6975740, 13951480, 27902960]

約数ペア:

[(1, 27902960), (2, 13951480), (4, 6975740), (5, 5580592), (8, 3487870), (10, 2790296), (16, 1743935), (20, 1395148), (40, 697574), (41, 680560), (47, 593680), (80, 348787), (82, 340280), (94, 296840), (164, 170140), (181, 154160), (188, 148420), (205, 136112), (235, 118736), (328, 85070), (362, 77080), (376, 74210), (410, 68056), (470, 59368), (656, 42535), (724, 38540), (752, 37105), (820, 34028), (905, 30832), (940, 29684), (1448, 19270), (1640, 17014), (1810, 15416), (1880, 14842), (1927, 14480), (2896, 9635), (3280, 8507), (3620, 7708), (3760, 7421), (3854, 7240)]