57721640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30703}}^1$

素因数の和:30761

約数の個数: 32

約数和(自身を含む): 132641280

約数和(自身を除く): 74919640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 30703, 61406, 122812, 153515, 245624, 307030, 614060, 1228120, 1443041, 2886082, 5772164, 7215205, 11544328, 14430410, 28860820, 57721640]

約数ペア:

[(1, 57721640), (2, 28860820), (4, 14430410), (5, 11544328), (8, 7215205), (10, 5772164), (20, 2886082), (40, 1443041), (47, 1228120), (94, 614060), (188, 307030), (235, 245624), (376, 153515), (470, 122812), (940, 61406), (1880, 30703)]