12181040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3541}}^1$

素因数の和:3597

約数の個数: 40

約数和(自身を含む): 28987728

約数和(自身を除く): 16806688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3541, 7082, 14164, 17705, 28328, 35410, 56656, 70820, 141640, 152263, 283280, 304526, 609052, 761315, 1218104, 1522630, 2436208, 3045260, 6090520, 12181040]

約数ペア:

[(1, 12181040), (2, 6090520), (4, 3045260), (5, 2436208), (8, 1522630), (10, 1218104), (16, 761315), (20, 609052), (40, 304526), (43, 283280), (80, 152263), (86, 141640), (172, 70820), (215, 56656), (344, 35410), (430, 28328), (688, 17705), (860, 14164), (1720, 7082), (3440, 3541)]