25962020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4523}}^1$

素因数の和:4580

約数の個数: 48

約数和(自身を含む): 63842688

約数和(自身を除く): 37880668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 4523, 5740, 9046, 18092, 22615, 31661, 45230, 63322, 90460, 126644, 158305, 185443, 316610, 370886, 633220, 741772, 927215, 1298101, 1854430, 2596202, 3708860, 5192404, 6490505, 12981010, 25962020]

約数ペア:

[(1, 25962020), (2, 12981010), (4, 6490505), (5, 5192404), (7, 3708860), (10, 2596202), (14, 1854430), (20, 1298101), (28, 927215), (35, 741772), (41, 633220), (70, 370886), (82, 316610), (140, 185443), (164, 158305), (205, 126644), (287, 90460), (410, 63322), (574, 45230), (820, 31661), (1148, 22615), (1435, 18092), (2870, 9046), (4523, 5740)]