73538420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89681}}^1$

素因数の和:89731

約数の個数: 24

約数和(自身を含む): 158199048

約数和(自身を除く): 84660628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 89681, 179362, 358724, 448405, 896810, 1793620, 3676921, 7353842, 14707684, 18384605, 36769210, 73538420]

約数ペア:

[(1, 73538420), (2, 36769210), (4, 18384605), (5, 14707684), (10, 7353842), (20, 3676921), (41, 1793620), (82, 896810), (164, 448405), (205, 358724), (410, 179362), (820, 89681)]