25101020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4373}}^1$

素因数の和:4430

約数の個数: 48

約数和(自身を含む): 61725888

約数和(自身を除く): 36624868

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, 4373, 5740, 8746, 17492, 21865, 30611, 43730, 61222, 87460, 122444, 153055, 179293, 306110, 358586, 612220, 717172, 896465, 1255051, 1792930, 2510102, 3585860, 5020204, 6275255, 12550510, 25101020]

約数ペア:

[(1, 25101020), (2, 12550510), (4, 6275255), (5, 5020204), (7, 3585860), (10, 2510102), (14, 1792930), (20, 1255051), (28, 896465), (35, 717172), (41, 612220), (70, 358586), (82, 306110), (140, 179293), (164, 153055), (205, 122444), (287, 87460), (410, 61222), (574, 43730), (820, 30611), (1148, 21865), (1435, 17492), (2870, 8746), (4373, 5740)]