201228920

素因数分解:

$2^3\times 5^1\times {\mathrm{5030723}}^1$

素因数の和:5030734

約数の個数: 16

約数和(自身を含む): 452765160

約数和(自身を除く): 251536240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030723, 10061446, 20122892, 25153615, 40245784, 50307230, 100614460, 201228920]

約数ペア:

[(1, 201228920), (2, 100614460), (4, 50307230), (5, 40245784), (8, 25153615), (10, 20122892), (20, 10061446), (40, 5030723)]