141040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 40

約数和(自身を含む): 343728

約数和(自身を除く): 202688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 656, 688, 820, 860, 1640, 1720, 1763, 3280, 3440, 3526, 7052, 8815, 14104, 17630, 28208, 35260, 70520, 141040]

約数ペア:

[(1, 141040), (2, 70520), (4, 35260), (5, 28208), (8, 17630), (10, 14104), (16, 8815), (20, 7052), (40, 3526), (41, 3440), (43, 3280), (80, 1763), (82, 1720), (86, 1640), (164, 860), (172, 820), (205, 688), (215, 656), (328, 430), (344, 410)]