12980200

素因数分解:

$2^3\times 5^2\times {\mathrm{64901}}^1$

素因数の和:64917

約数の個数: 24

約数和(自身を含む): 30179430

約数和(自身を除く): 17199230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 64901, 129802, 259604, 324505, 519208, 649010, 1298020, 1622525, 2596040, 3245050, 6490100, 12980200]

約数ペア:

[(1, 12980200), (2, 6490100), (4, 3245050), (5, 2596040), (8, 1622525), (10, 1298020), (20, 649010), (25, 519208), (40, 324505), (50, 259604), (100, 129802), (200, 64901)]