13408280

素因数分解:

$2^3\times 5^1\times {\mathrm{335207}}^1$

素因数の和:335218

約数の個数: 16

約数和(自身を含む): 30168720

約数和(自身を除く): 16760440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 335207, 670414, 1340828, 1676035, 2681656, 3352070, 6704140, 13408280]

約数ペア:

[(1, 13408280), (2, 6704140), (4, 3352070), (5, 2681656), (8, 1676035), (10, 1340828), (20, 670414), (40, 335207)]