38889520

素因数分解:

$2^4\times 5^1\times {\mathrm{486119}}^1$

素因数の和:486132

約数の個数: 20

約数和(自身を含む): 90418320

約数和(自身を除く): 51528800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486119, 972238, 1944476, 2430595, 3888952, 4861190, 7777904, 9722380, 19444760, 38889520]

約数ペア:

[(1, 38889520), (2, 19444760), (4, 9722380), (5, 7777904), (8, 4861190), (10, 3888952), (16, 2430595), (20, 1944476), (40, 972238), (80, 486119)]