12971600

素因数分解:

$2^4\times 5^2\times {\mathrm{32429}}^1$

素因数の和:32447

約数の個数: 30

約数和(自身を含む): 31165230

約数和(自身を除く): 18193630

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32429, 64858, 129716, 162145, 259432, 324290, 518864, 648580, 810725, 1297160, 1621450, 2594320, 3242900, 6485800, 12971600]

約数ペア:

[(1, 12971600), (2, 6485800), (4, 3242900), (5, 2594320), (8, 1621450), (10, 1297160), (16, 810725), (20, 648580), (25, 518864), (40, 324290), (50, 259432), (80, 162145), (100, 129716), (200, 64858), (400, 32429)]