162336640

素因数分解:

$2^7\times 5^1\times {\mathrm{253651}}^1$

素因数の和:253670

約数の個数: 32

約数和(自身を含む): 388087560

約数和(自身を除く): 225750920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 253651, 507302, 1014604, 1268255, 2029208, 2536510, 4058416, 5073020, 8116832, 10146040, 16233664, 20292080, 32467328, 40584160, 81168320, 162336640]

約数ペア:

[(1, 162336640), (2, 81168320), (4, 40584160), (5, 32467328), (8, 20292080), (10, 16233664), (16, 10146040), (20, 8116832), (32, 5073020), (40, 4058416), (64, 2536510), (80, 2029208), (128, 1268255), (160, 1014604), (320, 507302), (640, 253651)]