820755040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{732817}}^1$

素因数の和:732839

約数の個数: 48

約数和(自身を含む): 2216041632

約数和(自身を除く): 1395286592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 732817, 1465634, 2931268, 3664085, 5129719, 5862536, 7328170, 10259438, 11725072, 14656340, 20518876, 23450144, 25648595, 29312680, 41037752, 51297190, 58625360, 82075504, 102594380, 117250720, 164151008, 205188760, 410377520, 820755040]

約数ペア:

[(1, 820755040), (2, 410377520), (4, 205188760), (5, 164151008), (7, 117250720), (8, 102594380), (10, 82075504), (14, 58625360), (16, 51297190), (20, 41037752), (28, 29312680), (32, 25648595), (35, 23450144), (40, 20518876), (56, 14656340), (70, 11725072), (80, 10259438), (112, 7328170), (140, 5862536), (160, 5129719), (224, 3664085), (280, 2931268), (560, 1465634), (1120, 732817)]