12748492780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37495567}}^1$

素因数の和:37495593

約数の個数: 24

約数和(自身を含む): 28346649408

約数和(自身を除く): 15598156628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 37495567, 74991134, 149982268, 187477835, 374955670, 637424639, 749911340, 1274849278, 2549698556, 3187123195, 6374246390, 12748492780]

約数ペア:

[(1, 12748492780), (2, 6374246390), (4, 3187123195), (5, 2549698556), (10, 1274849278), (17, 749911340), (20, 637424639), (34, 374955670), (68, 187477835), (85, 149982268), (170, 74991134), (340, 37495567)]