85790980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8297}}^1$

素因数の和:8364

約数の個数: 48

約数和(自身を含む): 200745216

約数和(自身を除く): 114954236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 8297, 10340, 16594, 33188, 41485, 82970, 91267, 165940, 182534, 365068, 389959, 456335, 779918, 912670, 1559836, 1825340, 1949795, 3899590, 4289549, 7799180, 8579098, 17158196, 21447745, 42895490, 85790980]

約数ペア:

[(1, 85790980), (2, 42895490), (4, 21447745), (5, 17158196), (10, 8579098), (11, 7799180), (20, 4289549), (22, 3899590), (44, 1949795), (47, 1825340), (55, 1559836), (94, 912670), (110, 779918), (188, 456335), (220, 389959), (235, 365068), (470, 182534), (517, 165940), (940, 91267), (1034, 82970), (2068, 41485), (2585, 33188), (5170, 16594), (8297, 10340)]