8581400

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 20188440

約数和(自身を除く): 11607040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 401, 428, 535, 802, 856, 1070, 1604, 2005, 2140, 2675, 3208, 4010, 4280, 5350, 8020, 10025, 10700, 16040, 20050, 21400, 40100, 42907, 80200, 85814, 171628, 214535, 343256, 429070, 858140, 1072675, 1716280, 2145350, 4290700, 8581400]

約数ペア:

[(1, 8581400), (2, 4290700), (4, 2145350), (5, 1716280), (8, 1072675), (10, 858140), (20, 429070), (25, 343256), (40, 214535), (50, 171628), (100, 85814), (107, 80200), (200, 42907), (214, 40100), (401, 21400), (428, 20050), (535, 16040), (802, 10700), (856, 10025), (1070, 8020), (1604, 5350), (2005, 4280), (2140, 4010), (2675, 3208)]