28131520

素因数分解:

$2^6\times 5^1\times {\mathrm{87911}}^1$

素因数の和:87928

約数の個数: 28

約数和(自身を含む): 66988944

約数和(自身を除く): 38857424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 87911, 175822, 351644, 439555, 703288, 879110, 1406576, 1758220, 2813152, 3516440, 5626304, 7032880, 14065760, 28131520]

約数ペア:

[(1, 28131520), (2, 14065760), (4, 7032880), (5, 5626304), (8, 3516440), (10, 2813152), (16, 1758220), (20, 1406576), (32, 879110), (40, 703288), (64, 439555), (80, 351644), (160, 175822), (320, 87911)]