14020520

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{857}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 31660200

約数和(自身を除く): 17639680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 857, 1636, 1714, 2045, 3272, 3428, 4090, 4285, 6856, 8180, 8570, 16360, 17140, 34280, 350513, 701026, 1402052, 1752565, 2804104, 3505130, 7010260, 14020520]

約数ペア:

[(1, 14020520), (2, 7010260), (4, 3505130), (5, 2804104), (8, 1752565), (10, 1402052), (20, 701026), (40, 350513), (409, 34280), (818, 17140), (857, 16360), (1636, 8570), (1714, 8180), (2045, 6856), (3272, 4285), (3428, 4090)]