161359360

素因数分解:

$2^9\times 5^1\times {\mathrm{63031}}^1$

素因数の和:63054

約数の個数: 40

約数和(自身を含む): 386890416

約数和(自身を除く): 225531056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 63031, 126062, 252124, 315155, 504248, 630310, 1008496, 1260620, 2016992, 2521240, 4033984, 5042480, 8067968, 10084960, 16135936, 20169920, 32271872, 40339840, 80679680, 161359360]

約数ペア:

[(1, 161359360), (2, 80679680), (4, 40339840), (5, 32271872), (8, 20169920), (10, 16135936), (16, 10084960), (20, 8067968), (32, 5042480), (40, 4033984), (64, 2521240), (80, 2016992), (128, 1260620), (160, 1008496), (256, 630310), (320, 504248), (512, 315155), (640, 252124), (1280, 126062), (2560, 63031)]