12970520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7541}}^1$

素因数の和:7595

約数の個数: 32

約数和(自身を含む): 29866320

約数和(自身を除く): 16895800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7541, 15082, 30164, 37705, 60328, 75410, 150820, 301640, 324263, 648526, 1297052, 1621315, 2594104, 3242630, 6485260, 12970520]

約数ペア:

[(1, 12970520), (2, 6485260), (4, 3242630), (5, 2594104), (8, 1621315), (10, 1297052), (20, 648526), (40, 324263), (43, 301640), (86, 150820), (172, 75410), (215, 60328), (344, 37705), (430, 30164), (860, 15082), (1720, 7541)]