67673780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{82529}}^1$

素因数の和:82579

約数の個数: 24

約数和(自身を含む): 145582920

約数和(自身を除く): 77909140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 82529, 165058, 330116, 412645, 825290, 1650580, 3383689, 6767378, 13534756, 16918445, 33836890, 67673780]

約数ペア:

[(1, 67673780), (2, 33836890), (4, 16918445), (5, 13534756), (10, 6767378), (20, 3383689), (41, 1650580), (82, 825290), (164, 412645), (205, 330116), (410, 165058), (820, 82529)]