7840120

素因数分解:

$2^3\times 5^1\times {\mathrm{196003}}^1$

素因数の和:196014

約数の個数: 16

約数和(自身を含む): 17640360

約数和(自身を除く): 9800240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 196003, 392006, 784012, 980015, 1568024, 1960030, 3920060, 7840120]

約数ペア:

[(1, 7840120), (2, 3920060), (4, 1960030), (5, 1568024), (8, 980015), (10, 784012), (20, 392006), (40, 196003)]