68863240

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4877}}^1$

素因数の和:5241

約数の個数: 32

約数和(自身を含む): 155413080

約数和(自身を除く): 86549840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 4877, 7060, 9754, 14120, 19508, 24385, 39016, 48770, 97540, 195080, 1721581, 3443162, 6886324, 8607905, 13772648, 17215810, 34431620, 68863240]

約数ペア:

[(1, 68863240), (2, 34431620), (4, 17215810), (5, 13772648), (8, 8607905), (10, 6886324), (20, 3443162), (40, 1721581), (353, 195080), (706, 97540), (1412, 48770), (1765, 39016), (2824, 24385), (3530, 19508), (4877, 14120), (7060, 9754)]