201485660

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{6269}}^1$

素因数の和:7885

約数の個数: 24

約数和(自身を含む): 423450720

約数和(自身を除く): 221965060

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 6269, 6428, 8035, 12538, 16070, 25076, 31345, 32140, 62690, 125380, 10074283, 20148566, 40297132, 50371415, 100742830, 201485660]

約数ペア:

[(1, 201485660), (2, 100742830), (4, 50371415), (5, 40297132), (10, 20148566), (20, 10074283), (1607, 125380), (3214, 62690), (6269, 32140), (6428, 31345), (8035, 25076), (12538, 16070)]