1406960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 3355440

約数和(自身を除く): 1948480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 409, 430, 688, 818, 860, 1636, 1720, 2045, 3272, 3440, 4090, 6544, 8180, 16360, 17587, 32720, 35174, 70348, 87935, 140696, 175870, 281392, 351740, 703480, 1406960]

約数ペア:

[(1, 1406960), (2, 703480), (4, 351740), (5, 281392), (8, 175870), (10, 140696), (16, 87935), (20, 70348), (40, 35174), (43, 32720), (80, 17587), (86, 16360), (172, 8180), (215, 6544), (344, 4090), (409, 3440), (430, 3272), (688, 2045), (818, 1720), (860, 1636)]