15271240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8123}}^1$

素因数の和:8181

約数の個数: 32

約数和(自身を含む): 35095680

約数和(自身を除く): 19824440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8123, 16246, 32492, 40615, 64984, 81230, 162460, 324920, 381781, 763562, 1527124, 1908905, 3054248, 3817810, 7635620, 15271240]

約数ペア:

[(1, 15271240), (2, 7635620), (4, 3817810), (5, 3054248), (8, 1908905), (10, 1527124), (20, 763562), (40, 381781), (47, 324920), (94, 162460), (188, 81230), (235, 64984), (376, 40615), (470, 32492), (940, 16246), (1880, 8123)]