13458520

素因数分解:

$2^3\times 5^1\times {\mathrm{336463}}^1$

素因数の和:336474

約数の個数: 16

約数和(自身を含む): 30281760

約数和(自身を除く): 16823240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 336463, 672926, 1345852, 1682315, 2691704, 3364630, 6729260, 13458520]

約数ペア:

[(1, 13458520), (2, 6729260), (4, 3364630), (5, 2691704), (8, 1682315), (10, 1345852), (20, 672926), (40, 336463)]