163164520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{32119}}^1$

素因数の和:32257

約数の個数: 32

約数和(自身を含む): 370022400

約数和(自身を除く): 206857880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 32119, 64238, 128476, 160595, 256952, 321190, 642380, 1284760, 4079113, 8158226, 16316452, 20395565, 32632904, 40791130, 81582260, 163164520]

約数ペア:

[(1, 163164520), (2, 81582260), (4, 40791130), (5, 32632904), (8, 20395565), (10, 16316452), (20, 8158226), (40, 4079113), (127, 1284760), (254, 642380), (508, 321190), (635, 256952), (1016, 160595), (1270, 128476), (2540, 64238), (5080, 32119)]