7982120

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{463}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 18040320

約数和(自身を除く): 10058200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 463, 862, 926, 1724, 1852, 2155, 2315, 3448, 3704, 4310, 4630, 8620, 9260, 17240, 18520, 199553, 399106, 798212, 997765, 1596424, 1995530, 3991060, 7982120]

約数ペア:

[(1, 7982120), (2, 3991060), (4, 1995530), (5, 1596424), (8, 997765), (10, 798212), (20, 399106), (40, 199553), (431, 18520), (463, 17240), (862, 9260), (926, 8620), (1724, 4630), (1852, 4310), (2155, 3704), (2315, 3448)]