68866690

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{25601}}^1$

素因数の和:25877

約数の個数: 16

約数和(自身を含む): 124425720

約数和(自身を除く): 55559030

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 25601, 51202, 128005, 256010, 6886669, 13773338, 34433345, 68866690]

約数ペア:

[(1, 68866690), (2, 34433345), (5, 13773338), (10, 6886669), (269, 256010), (538, 128005), (1345, 51202), (2690, 25601)]