53509520

素因数分解:

$2^4\times 5^1\times {\mathrm{668869}}^1$

素因数の和:668882

約数の個数: 20

約数和(自身を含む): 124409820

約数和(自身を除く): 70900300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 668869, 1337738, 2675476, 3344345, 5350952, 6688690, 10701904, 13377380, 26754760, 53509520]

約数ペア:

[(1, 53509520), (2, 26754760), (4, 13377380), (5, 10701904), (8, 6688690), (10, 5350952), (16, 3344345), (20, 2675476), (40, 1337738), (80, 668869)]