131555000

素因数分解:

$2^3\times 5^4\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 312931080

約数和(自身を除く): 181376080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 125, 166, 200, 250, 317, 332, 415, 500, 625, 634, 664, 830, 1000, 1250, 1268, 1585, 1660, 2075, 2500, 2536, 3170, 3320, 4150, 5000, 6340, 7925, 8300, 10375, 12680, 15850, 16600, 20750, 26311, 31700, 39625, 41500, 51875, 52622, 63400, 79250, 83000, 103750, 105244, 131555, 158500, 198125, 207500, 210488, 263110, 317000, 396250, 415000, 526220, 657775, 792500, 1052440, 1315550, 1585000, 2631100, 3288875, 5262200, 6577750, 13155500, 16444375, 26311000, 32888750, 65777500, 131555000]

約数ペア:

[(1, 131555000), (2, 65777500), (4, 32888750), (5, 26311000), (8, 16444375), (10, 13155500), (20, 6577750), (25, 5262200), (40, 3288875), (50, 2631100), (83, 1585000), (100, 1315550), (125, 1052440), (166, 792500), (200, 657775), (250, 526220), (317, 415000), (332, 396250), (415, 317000), (500, 263110), (625, 210488), (634, 207500), (664, 198125), (830, 158500), (1000, 131555), (1250, 105244), (1268, 103750), (1585, 83000), (1660, 79250), (2075, 63400), (2500, 52622), (2536, 51875), (3170, 41500), (3320, 39625), (4150, 31700), (5000, 26311), (6340, 20750), (7925, 16600), (8300, 15850), (10375, 12680)]