90774760

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{22469}}^1$

素因数の和:22581

約数の個数: 32

約数和(自身を含む): 206274600

約数和(自身を除く): 115499840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 22469, 44938, 89876, 112345, 179752, 224690, 449380, 898760, 2269369, 4538738, 9077476, 11346845, 18154952, 22693690, 45387380, 90774760]

約数ペア:

[(1, 90774760), (2, 45387380), (4, 22693690), (5, 18154952), (8, 11346845), (10, 9077476), (20, 4538738), (40, 2269369), (101, 898760), (202, 449380), (404, 224690), (505, 179752), (808, 112345), (1010, 89876), (2020, 44938), (4040, 22469)]