91391960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{207709}}^1$

素因数の和:207731

約数の個数: 32

約数和(自身を含む): 224326800

約数和(自身を除く): 132934840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 207709, 415418, 830836, 1038545, 1661672, 2077090, 2284799, 4154180, 4569598, 8308360, 9139196, 11423995, 18278392, 22847990, 45695980, 91391960]

約数ペア:

[(1, 91391960), (2, 45695980), (4, 22847990), (5, 18278392), (8, 11423995), (10, 9139196), (11, 8308360), (20, 4569598), (22, 4154180), (40, 2284799), (44, 2077090), (55, 1661672), (88, 1038545), (110, 830836), (220, 415418), (440, 207709)]