19790960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{599}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 53568000

約数和(自身を除く): 33777040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 599, 826, 944, 1180, 1198, 1652, 2065, 2360, 2396, 2995, 3304, 4130, 4193, 4720, 4792, 5990, 6608, 8260, 8386, 9584, 11980, 16520, 16772, 20965, 23960, 33040, 33544, 35341, 41930, 47920, 67088, 70682, 83860, 141364, 167720, 176705, 247387, 282728, 335440, 353410, 494774, 565456, 706820, 989548, 1236935, 1413640, 1979096, 2473870, 2827280, 3958192, 4947740, 9895480, 19790960]

約数ペア:

[(1, 19790960), (2, 9895480), (4, 4947740), (5, 3958192), (7, 2827280), (8, 2473870), (10, 1979096), (14, 1413640), (16, 1236935), (20, 989548), (28, 706820), (35, 565456), (40, 494774), (56, 353410), (59, 335440), (70, 282728), (80, 247387), (112, 176705), (118, 167720), (140, 141364), (236, 83860), (280, 70682), (295, 67088), (413, 47920), (472, 41930), (560, 35341), (590, 33544), (599, 33040), (826, 23960), (944, 20965), (1180, 16772), (1198, 16520), (1652, 11980), (2065, 9584), (2360, 8386), (2396, 8260), (2995, 6608), (3304, 5990), (4130, 4792), (4193, 4720)]