8429020

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1051}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 17761968

約数和(自身を除く): 9332948

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1051, 1604, 2005, 2102, 4010, 4204, 5255, 8020, 10510, 21020, 421451, 842902, 1685804, 2107255, 4214510, 8429020]

約数ペア:

[(1, 8429020), (2, 4214510), (4, 2107255), (5, 1685804), (10, 842902), (20, 421451), (401, 21020), (802, 10510), (1051, 8020), (1604, 5255), (2005, 4204), (2102, 4010)]