12669860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90499}}^1$

素因数の和:90515

約数の個数: 24

約数和(自身を含む): 30408000

約数和(自身を除く): 17738140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90499, 180998, 361996, 452495, 633493, 904990, 1266986, 1809980, 2533972, 3167465, 6334930, 12669860]

約数ペア:

[(1, 12669860), (2, 6334930), (4, 3167465), (5, 2533972), (7, 1809980), (10, 1266986), (14, 904990), (20, 633493), (28, 452495), (35, 361996), (70, 180998), (140, 90499)]