12940568

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{10303}}^1$

素因数の和:10466

約数の個数: 16

約数和(自身を含む): 24420480

約数和(自身を除く): 11479912

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 10303, 20606, 41212, 82424, 1617571, 3235142, 6470284, 12940568]

約数ペア:

[(1, 12940568), (2, 6470284), (4, 3235142), (8, 1617571), (157, 82424), (314, 41212), (628, 20606), (1256, 10303)]