8421260

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1601}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 17762976

約数和(自身を除く): 9341716

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 1601, 2630, 3202, 5260, 6404, 8005, 16010, 32020, 421063, 842126, 1684252, 2105315, 4210630, 8421260]

約数ペア:

[(1, 8421260), (2, 4210630), (4, 2105315), (5, 1684252), (10, 842126), (20, 421063), (263, 32020), (526, 16010), (1052, 8005), (1315, 6404), (1601, 5260), (2630, 3202)]