2013996520

素因数分解:

$2^3\times 5^1\times {\mathrm{5107}}^1\times {\mathrm{9859}}^1$

素因数の和:14977

約数の個数: 32

約数和(自身を含む): 4532839200

約数和(自身を除く): 2518842680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5107, 9859, 10214, 19718, 20428, 25535, 39436, 40856, 49295, 51070, 78872, 98590, 102140, 197180, 204280, 394360, 50349913, 100699826, 201399652, 251749565, 402799304, 503499130, 1006998260, 2013996520]

約数ペア:

[(1, 2013996520), (2, 1006998260), (4, 503499130), (5, 402799304), (8, 251749565), (10, 201399652), (20, 100699826), (40, 50349913), (5107, 394360), (9859, 204280), (10214, 197180), (19718, 102140), (20428, 98590), (25535, 78872), (39436, 51070), (40856, 49295)]