80262590

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{25643}}^1$

素因数の和:25963

約数の個数: 16

約数和(自身を含む): 144939888

約数和(自身を除く): 64677298

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 25643, 51286, 128215, 256430, 8026259, 16052518, 40131295, 80262590]

約数ペア:

[(1, 80262590), (2, 40131295), (5, 16052518), (10, 8026259), (313, 256430), (626, 128215), (1565, 51286), (3130, 25643)]