164566820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{10247}}^1$

素因数の和:10340

約数の個数: 48

約数和(自身を含む): 382209408

約数和(自身を除く): 217642588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 10247, 16060, 20494, 40988, 51235, 102470, 112717, 204940, 225434, 450868, 563585, 748031, 1127170, 1496062, 2254340, 2992124, 3740155, 7480310, 8228341, 14960620, 16456682, 32913364, 41141705, 82283410, 164566820]

約数ペア:

[(1, 164566820), (2, 82283410), (4, 41141705), (5, 32913364), (10, 16456682), (11, 14960620), (20, 8228341), (22, 7480310), (44, 3740155), (55, 2992124), (73, 2254340), (110, 1496062), (146, 1127170), (220, 748031), (292, 563585), (365, 450868), (730, 225434), (803, 204940), (1460, 112717), (1606, 102470), (3212, 51235), (4015, 40988), (8030, 20494), (10247, 16060)]