68065540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20879}}^1$

素因数の和:21051

約数の個数: 24

約数和(自身を含む): 143821440

約数和(自身を除く): 75755900

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 20879, 41758, 83516, 104395, 208790, 417580, 3403277, 6806554, 13613108, 17016385, 34032770, 68065540]

約数ペア:

[(1, 68065540), (2, 34032770), (4, 17016385), (5, 13613108), (10, 6806554), (20, 3403277), (163, 417580), (326, 208790), (652, 104395), (815, 83516), (1630, 41758), (3260, 20879)]