56695880

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5647}}^1$

素因数の和:5909

約数の個数: 32

約数和(自身を含む): 128096640

約数和(自身を除く): 71400760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 5647, 10040, 11294, 22588, 28235, 45176, 56470, 112940, 225880, 1417397, 2834794, 5669588, 7086985, 11339176, 14173970, 28347940, 56695880]

約数ペア:

[(1, 56695880), (2, 28347940), (4, 14173970), (5, 11339176), (8, 7086985), (10, 5669588), (20, 2834794), (40, 1417397), (251, 225880), (502, 112940), (1004, 56470), (1255, 45176), (2008, 28235), (2510, 22588), (5020, 11294), (5647, 10040)]