86057680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 206236800

約数和(自身を除く): 120179120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 109, 139, 142, 218, 278, 284, 355, 436, 545, 556, 568, 695, 710, 872, 1090, 1112, 1136, 1390, 1420, 1744, 2180, 2224, 2780, 2840, 4360, 5560, 5680, 7739, 8720, 9869, 11120, 15151, 15478, 19738, 30302, 30956, 38695, 39476, 49345, 60604, 61912, 75755, 77390, 78952, 98690, 121208, 123824, 151510, 154780, 157904, 197380, 242416, 303020, 309560, 394760, 606040, 619120, 789520, 1075721, 1212080, 2151442, 4302884, 5378605, 8605768, 10757210, 17211536, 21514420, 43028840, 86057680]

約数ペア:

[(1, 86057680), (2, 43028840), (4, 21514420), (5, 17211536), (8, 10757210), (10, 8605768), (16, 5378605), (20, 4302884), (40, 2151442), (71, 1212080), (80, 1075721), (109, 789520), (139, 619120), (142, 606040), (218, 394760), (278, 309560), (284, 303020), (355, 242416), (436, 197380), (545, 157904), (556, 154780), (568, 151510), (695, 123824), (710, 121208), (872, 98690), (1090, 78952), (1112, 77390), (1136, 75755), (1390, 61912), (1420, 60604), (1744, 49345), (2180, 39476), (2224, 38695), (2780, 30956), (2840, 30302), (4360, 19738), (5560, 15478), (5680, 15151), (7739, 11120), (8720, 9869)]