81513170

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{79139}}^1$

素因数の和:79249

約数の個数: 16

約数和(自身を含む): 148150080

約数和(自身を除く): 66636910

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 79139, 158278, 395695, 791390, 8151317, 16302634, 40756585, 81513170]

約数ペア:

[(1, 81513170), (2, 40756585), (5, 16302634), (10, 8151317), (103, 791390), (206, 395695), (515, 158278), (1030, 79139)]