90110680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{204797}}^1$

素因数の和:204819

約数の個数: 32

約数和(自身を含む): 221181840

約数和(自身を除く): 131071160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 204797, 409594, 819188, 1023985, 1638376, 2047970, 2252767, 4095940, 4505534, 8191880, 9011068, 11263835, 18022136, 22527670, 45055340, 90110680]

約数ペア:

[(1, 90110680), (2, 45055340), (4, 22527670), (5, 18022136), (8, 11263835), (10, 9011068), (11, 8191880), (20, 4505534), (22, 4095940), (40, 2252767), (44, 2047970), (55, 1638376), (88, 1023985), (110, 819188), (220, 409594), (440, 204797)]