826577720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{15161}}^1$

素因数の和:15248

約数の個数: 64

約数和(自身を含む): 1964995200

約数和(自身を除く): 1138417480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1363, 1880, 2726, 5452, 6815, 10904, 13630, 15161, 27260, 30322, 54520, 60644, 75805, 121288, 151610, 303220, 439669, 606440, 712567, 879338, 1425134, 1758676, 2198345, 2850268, 3517352, 3562835, 4396690, 5700536, 7125670, 8793380, 14251340, 17586760, 20664443, 28502680, 41328886, 82657772, 103322215, 165315544, 206644430, 413288860, 826577720]

約数ペア:

[(1, 826577720), (2, 413288860), (4, 206644430), (5, 165315544), (8, 103322215), (10, 82657772), (20, 41328886), (29, 28502680), (40, 20664443), (47, 17586760), (58, 14251340), (94, 8793380), (116, 7125670), (145, 5700536), (188, 4396690), (232, 3562835), (235, 3517352), (290, 2850268), (376, 2198345), (470, 1758676), (580, 1425134), (940, 879338), (1160, 712567), (1363, 606440), (1880, 439669), (2726, 303220), (5452, 151610), (6815, 121288), (10904, 75805), (13630, 60644), (15161, 54520), (27260, 30322)]