91031480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1280

約数の個数: 64

約数和(自身を含む): 214462080

約数和(自身を除く): 123430600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 820, 940, 1181, 1640, 1880, 1927, 2362, 3854, 4724, 5905, 7708, 9448, 9635, 11810, 15416, 19270, 23620, 38540, 47240, 48421, 55507, 77080, 96842, 111014, 193684, 222028, 242105, 277535, 387368, 444056, 484210, 555070, 968420, 1110140, 1936840, 2220280, 2275787, 4551574, 9103148, 11378935, 18206296, 22757870, 45515740, 91031480]

約数ペア:

[(1, 91031480), (2, 45515740), (4, 22757870), (5, 18206296), (8, 11378935), (10, 9103148), (20, 4551574), (40, 2275787), (41, 2220280), (47, 1936840), (82, 1110140), (94, 968420), (164, 555070), (188, 484210), (205, 444056), (235, 387368), (328, 277535), (376, 242105), (410, 222028), (470, 193684), (820, 111014), (940, 96842), (1181, 77080), (1640, 55507), (1880, 48421), (1927, 47240), (2362, 38540), (3854, 23620), (4724, 19270), (5905, 15416), (7708, 11810), (9448, 9635)]