38955440

素因数分解:

$2^4\times 5^1\times {\mathrm{486943}}^1$

素因数の和:486956

約数の個数: 20

約数和(自身を含む): 90571584

約数和(自身を除く): 51616144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486943, 973886, 1947772, 2434715, 3895544, 4869430, 7791088, 9738860, 19477720, 38955440]

約数ペア:

[(1, 38955440), (2, 19477720), (4, 9738860), (5, 7791088), (8, 4869430), (10, 3895544), (16, 2434715), (20, 1947772), (40, 973886), (80, 486943)]