56045720

素因数分解:

$2^3\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1289}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 126316800

約数和(自身を除く): 70271080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1087, 1289, 2174, 2578, 4348, 5156, 5435, 6445, 8696, 10312, 10870, 12890, 21740, 25780, 43480, 51560, 1401143, 2802286, 5604572, 7005715, 11209144, 14011430, 28022860, 56045720]

約数ペア:

[(1, 56045720), (2, 28022860), (4, 14011430), (5, 11209144), (8, 7005715), (10, 5604572), (20, 2802286), (40, 1401143), (1087, 51560), (1289, 43480), (2174, 25780), (2578, 21740), (4348, 12890), (5156, 10870), (5435, 10312), (6445, 8696)]