2021661680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1\times {\mathrm{1021}}^1$

素因数の和:1554

約数の個数: 80

約数和(自身を含む): 4804005024

約数和(自身を除く): 2782343344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 467, 530, 848, 934, 1021, 1060, 1868, 2042, 2120, 2335, 3736, 4084, 4240, 4670, 5105, 7472, 8168, 9340, 10210, 16336, 18680, 20420, 24751, 37360, 40840, 49502, 54113, 81680, 99004, 108226, 123755, 198008, 216452, 247510, 270565, 396016, 432904, 476807, 495020, 541130, 865808, 953614, 990040, 1082260, 1907228, 1980080, 2164520, 2384035, 3814456, 4329040, 4768070, 7628912, 9536140, 19072280, 25270771, 38144560, 50541542, 101083084, 126353855, 202166168, 252707710, 404332336, 505415420, 1010830840, 2021661680]

約数ペア:

[(1, 2021661680), (2, 1010830840), (4, 505415420), (5, 404332336), (8, 252707710), (10, 202166168), (16, 126353855), (20, 101083084), (40, 50541542), (53, 38144560), (80, 25270771), (106, 19072280), (212, 9536140), (265, 7628912), (424, 4768070), (467, 4329040), (530, 3814456), (848, 2384035), (934, 2164520), (1021, 1980080), (1060, 1907228), (1868, 1082260), (2042, 990040), (2120, 953614), (2335, 865808), (3736, 541130), (4084, 495020), (4240, 476807), (4670, 432904), (5105, 396016), (7472, 270565), (8168, 247510), (9340, 216452), (10210, 198008), (16336, 123755), (18680, 108226), (20420, 99004), (24751, 81680), (37360, 54113), (40840, 49502)]