16842520

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1601}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 38063520

約数和(自身を除く): 21221000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 1601, 2104, 2630, 3202, 5260, 6404, 8005, 10520, 12808, 16010, 32020, 64040, 421063, 842126, 1684252, 2105315, 3368504, 4210630, 8421260, 16842520]

約数ペア:

[(1, 16842520), (2, 8421260), (4, 4210630), (5, 3368504), (8, 2105315), (10, 1684252), (20, 842126), (40, 421063), (263, 64040), (526, 32020), (1052, 16010), (1315, 12808), (1601, 10520), (2104, 8005), (2630, 6404), (3202, 5260)]