20195672080

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{8317}}^1$

素因数の和:8696

約数の個数: 80

約数和(自身を含む): 47528386560

約数和(自身を除く): 27332714480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 239, 254, 478, 508, 635, 956, 1016, 1195, 1270, 1912, 2032, 2390, 2540, 3824, 4780, 5080, 8317, 9560, 10160, 16634, 19120, 30353, 33268, 41585, 60706, 66536, 83170, 121412, 133072, 151765, 166340, 242824, 303530, 332680, 485648, 607060, 665360, 1056259, 1214120, 1987763, 2112518, 2428240, 3975526, 4225036, 5281295, 7951052, 8450072, 9938815, 10562590, 15902104, 16900144, 19877630, 21125180, 31804208, 39755260, 42250360, 79510520, 84500720, 159021040, 252445901, 504891802, 1009783604, 1262229505, 2019567208, 2524459010, 4039134416, 5048918020, 10097836040, 20195672080]

約数ペア:

[(1, 20195672080), (2, 10097836040), (4, 5048918020), (5, 4039134416), (8, 2524459010), (10, 2019567208), (16, 1262229505), (20, 1009783604), (40, 504891802), (80, 252445901), (127, 159021040), (239, 84500720), (254, 79510520), (478, 42250360), (508, 39755260), (635, 31804208), (956, 21125180), (1016, 19877630), (1195, 16900144), (1270, 15902104), (1912, 10562590), (2032, 9938815), (2390, 8450072), (2540, 7951052), (3824, 5281295), (4780, 4225036), (5080, 3975526), (8317, 2428240), (9560, 2112518), (10160, 1987763), (16634, 1214120), (19120, 1056259), (30353, 665360), (33268, 607060), (41585, 485648), (60706, 332680), (66536, 303530), (83170, 242824), (121412, 166340), (133072, 151765)]