2017212880

素因数分解:

$2^4\times 5^1\times {\mathrm{25215161}}^1$

素因数の和:25215174

約数の個数: 20

約数和(自身を含む): 4690020132

約数和(自身を除く): 2672807252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25215161, 50430322, 100860644, 126075805, 201721288, 252151610, 403442576, 504303220, 1008606440, 2017212880]

約数ペア:

[(1, 2017212880), (2, 1008606440), (4, 504303220), (5, 403442576), (8, 252151610), (10, 201721288), (16, 126075805), (20, 100860644), (40, 50430322), (80, 25215161)]