201992720

素因数分解:

$2^4\times 5^1\times {\mathrm{2524909}}^1$

素因数の和:2524922

約数の個数: 20

約数和(自身を含む): 469633260

約数和(自身を除く): 267640540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524909, 5049818, 10099636, 12624545, 20199272, 25249090, 40398544, 50498180, 100996360, 201992720]

約数ペア:

[(1, 201992720), (2, 100996360), (4, 50498180), (5, 40398544), (8, 25249090), (10, 20199272), (16, 12624545), (20, 10099636), (40, 5049818), (80, 2524909)]