64323260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1669}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 141402240

約数和(自身を除く): 77078980

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1669, 1927, 3338, 3854, 6676, 7708, 8345, 9635, 16690, 19270, 33380, 38540, 68429, 78443, 136858, 156886, 273716, 313772, 342145, 392215, 684290, 784430, 1368580, 1568860, 3216163, 6432326, 12864652, 16080815, 32161630, 64323260]

約数ペア:

[(1, 64323260), (2, 32161630), (4, 16080815), (5, 12864652), (10, 6432326), (20, 3216163), (41, 1568860), (47, 1368580), (82, 784430), (94, 684290), (164, 392215), (188, 342145), (205, 313772), (235, 273716), (410, 156886), (470, 136858), (820, 78443), (940, 68429), (1669, 38540), (1927, 33380), (3338, 19270), (3854, 16690), (6676, 9635), (7708, 8345)]