3939340

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 8309952

約数和(自身を除く): 4370612

約数列:

[1, 2, 4, 5, 10, 20, 431, 457, 862, 914, 1724, 1828, 2155, 2285, 4310, 4570, 8620, 9140, 196967, 393934, 787868, 984835, 1969670, 3939340]

約数ペア:

[(1, 3939340), (2, 1969670), (4, 984835), (5, 787868), (10, 393934), (20, 196967), (431, 9140), (457, 8620), (862, 4570), (914, 4310), (1724, 2285), (1828, 2155)]