4355020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 9652608

約数和(自身を除く): 5297588

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 113, 164, 188, 205, 226, 235, 410, 452, 470, 565, 820, 940, 1130, 1927, 2260, 3854, 4633, 5311, 7708, 9266, 9635, 10622, 18532, 19270, 21244, 23165, 26555, 38540, 46330, 53110, 92660, 106220, 217751, 435502, 871004, 1088755, 2177510, 4355020]

約数ペア:

[(1, 4355020), (2, 2177510), (4, 1088755), (5, 871004), (10, 435502), (20, 217751), (41, 106220), (47, 92660), (82, 53110), (94, 46330), (113, 38540), (164, 26555), (188, 23165), (205, 21244), (226, 19270), (235, 18532), (410, 10622), (452, 9635), (470, 9266), (565, 7708), (820, 5311), (940, 4633), (1130, 3854), (1927, 2260)]