51568220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1493}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 118970208

約数和(自身を除く): 67401988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1493, 1570, 1727, 2986, 3140, 3454, 5972, 6908, 7465, 8635, 14930, 16423, 17270, 29860, 32846, 34540, 65692, 82115, 164230, 234401, 328460, 468802, 937604, 1172005, 2344010, 2578411, 4688020, 5156822, 10313644, 12892055, 25784110, 51568220]

約数ペア:

[(1, 51568220), (2, 25784110), (4, 12892055), (5, 10313644), (10, 5156822), (11, 4688020), (20, 2578411), (22, 2344010), (44, 1172005), (55, 937604), (110, 468802), (157, 328460), (220, 234401), (314, 164230), (628, 82115), (785, 65692), (1493, 34540), (1570, 32846), (1727, 29860), (2986, 17270), (3140, 16423), (3454, 14930), (5972, 8635), (6908, 7465)]