156982158920

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1033}}^1\times {\mathrm{19891}}^1$

素因数の和:21126

約数の個数: 64

約数和(自身を含む): 355420707840

約数和(自身を除く): 198438548920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1033, 1528, 1910, 2066, 3820, 4132, 5165, 7640, 8264, 10330, 19891, 20660, 39782, 41320, 79564, 99455, 159128, 197303, 198910, 394606, 397820, 789212, 795640, 986515, 1578424, 1973030, 3799181, 3946060, 7598362, 7892120, 15196724, 18995905, 20547403, 30393448, 37991810, 41094806, 75983620, 82189612, 102737015, 151967240, 164379224, 205474030, 410948060, 821896120, 3924553973, 7849107946, 15698215892, 19622769865, 31396431784, 39245539730, 78491079460, 156982158920]

約数ペア:

[(1, 156982158920), (2, 78491079460), (4, 39245539730), (5, 31396431784), (8, 19622769865), (10, 15698215892), (20, 7849107946), (40, 3924553973), (191, 821896120), (382, 410948060), (764, 205474030), (955, 164379224), (1033, 151967240), (1528, 102737015), (1910, 82189612), (2066, 75983620), (3820, 41094806), (4132, 37991810), (5165, 30393448), (7640, 20547403), (8264, 18995905), (10330, 15196724), (19891, 7892120), (20660, 7598362), (39782, 3946060), (41320, 3799181), (79564, 1973030), (99455, 1578424), (159128, 986515), (197303, 795640), (198910, 789212), (394606, 397820)]