42129520

素因数分解:

$2^4\times 5^1\times {\mathrm{526619}}^1$

素因数の和:526632

約数の個数: 20

約数和(自身を含む): 97951320

約数和(自身を除く): 55821800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 526619, 1053238, 2106476, 2633095, 4212952, 5266190, 8425904, 10532380, 21064760, 42129520]

約数ペア:

[(1, 42129520), (2, 21064760), (4, 10532380), (5, 8425904), (8, 5266190), (10, 4212952), (16, 2633095), (20, 2106476), (40, 1053238), (80, 526619)]