20233057840

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1\times {\mathrm{2719}}^1$

素因数の和:3410

約数の個数: 80

約数和(自身を含む): 47402680320

約数和(自身を除く): 27169622480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 487, 764, 955, 974, 1528, 1910, 1948, 2435, 2719, 3056, 3820, 3896, 4870, 5438, 7640, 7792, 9740, 10876, 13595, 15280, 19480, 21752, 27190, 38960, 43504, 54380, 93017, 108760, 186034, 217520, 372068, 465085, 519329, 744136, 930170, 1038658, 1324153, 1488272, 1860340, 2077316, 2596645, 2648306, 3720680, 4154632, 5193290, 5296612, 6620765, 7441360, 8309264, 10386580, 10593224, 13241530, 20773160, 21186448, 26483060, 41546320, 52966120, 105932240, 252913223, 505826446, 1011652892, 1264566115, 2023305784, 2529132230, 4046611568, 5058264460, 10116528920, 20233057840]

約数ペア:

[(1, 20233057840), (2, 10116528920), (4, 5058264460), (5, 4046611568), (8, 2529132230), (10, 2023305784), (16, 1264566115), (20, 1011652892), (40, 505826446), (80, 252913223), (191, 105932240), (382, 52966120), (487, 41546320), (764, 26483060), (955, 21186448), (974, 20773160), (1528, 13241530), (1910, 10593224), (1948, 10386580), (2435, 8309264), (2719, 7441360), (3056, 6620765), (3820, 5296612), (3896, 5193290), (4870, 4154632), (5438, 3720680), (7640, 2648306), (7792, 2596645), (9740, 2077316), (10876, 1860340), (13595, 1488272), (15280, 1324153), (19480, 1038658), (21752, 930170), (27190, 744136), (38960, 519329), (43504, 465085), (54380, 372068), (93017, 217520), (108760, 186034)]