68534780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83579}}^1$

素因数の和:83629

約数の個数: 24

約数和(自身を含む): 147435120

約数和(自身を除く): 78900340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 83579, 167158, 334316, 417895, 835790, 1671580, 3426739, 6853478, 13706956, 17133695, 34267390, 68534780]

約数ペア:

[(1, 68534780), (2, 34267390), (4, 17133695), (5, 13706956), (10, 6853478), (20, 3426739), (41, 1671580), (82, 835790), (164, 417895), (205, 334316), (410, 167158), (820, 83579)]