20161609900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{10343}}^1$

素因数の和:10651

約数の個数: 72

約数和(自身を含む): 44417094624

約数和(自身を除く): 24255484724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 193, 202, 386, 404, 505, 772, 965, 1010, 1930, 2020, 2525, 3860, 4825, 5050, 9650, 10100, 10343, 19300, 19493, 20686, 38986, 41372, 51715, 77972, 97465, 103430, 194930, 206860, 258575, 389860, 487325, 517150, 974650, 1034300, 1044643, 1949300, 1996199, 2089286, 3992398, 4178572, 5223215, 7984796, 9980995, 10446430, 19961990, 20892860, 26116075, 39923980, 49904975, 52232150, 99809950, 104464300, 199619900, 201616099, 403232198, 806464396, 1008080495, 2016160990, 4032321980, 5040402475, 10080804950, 20161609900]

約数ペア:

[(1, 20161609900), (2, 10080804950), (4, 5040402475), (5, 4032321980), (10, 2016160990), (20, 1008080495), (25, 806464396), (50, 403232198), (100, 201616099), (101, 199619900), (193, 104464300), (202, 99809950), (386, 52232150), (404, 49904975), (505, 39923980), (772, 26116075), (965, 20892860), (1010, 19961990), (1930, 10446430), (2020, 9980995), (2525, 7984796), (3860, 5223215), (4825, 4178572), (5050, 3992398), (9650, 2089286), (10100, 1996199), (10343, 1949300), (19300, 1044643), (19493, 1034300), (20686, 974650), (38986, 517150), (41372, 487325), (51715, 389860), (77972, 258575), (97465, 206860), (103430, 194930)]