165161440

素因数分解:

$2^5\times 5^1\times {\mathrm{1032259}}^1$

素因数の和:1032274

約数の個数: 24

約数和(自身を含む): 390194280

約数和(自身を除く): 225032840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1032259, 2064518, 4129036, 5161295, 8258072, 10322590, 16516144, 20645180, 33032288, 41290360, 82580720, 165161440]

約数ペア:

[(1, 165161440), (2, 82580720), (4, 41290360), (5, 33032288), (8, 20645180), (10, 16516144), (16, 10322590), (20, 8258072), (32, 5161295), (40, 4129036), (80, 2064518), (160, 1032259)]