826780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 1765008

約数和(自身を除く): 938228

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 617, 670, 1234, 1340, 2468, 3085, 6170, 12340, 41339, 82678, 165356, 206695, 413390, 826780]

約数ペア:

[(1, 826780), (2, 413390), (4, 206695), (5, 165356), (10, 82678), (20, 41339), (67, 12340), (134, 6170), (268, 3085), (335, 2468), (617, 1340), (670, 1234)]