38789420

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4049}}^1$

素因数の和:4537

約数の個数: 24

約数和(自身を含む): 81648000

約数和(自身を除く): 42858580

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4049, 4790, 8098, 9580, 16196, 20245, 40490, 80980, 1939471, 3878942, 7757884, 9697355, 19394710, 38789420]

約数ペア:

[(1, 38789420), (2, 19394710), (4, 9697355), (5, 7757884), (10, 3878942), (20, 1939471), (479, 80980), (958, 40490), (1916, 20245), (2395, 16196), (4049, 9580), (4790, 8098)]