161340160

素因数分解:

$2^8\times 5^1\times {\mathrm{126047}}^1$

素因数の和:126068

約数の個数: 36

約数和(自身を含む): 386463168

約数和(自身を除く): 225123008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 126047, 252094, 504188, 630235, 1008376, 1260470, 2016752, 2520940, 4033504, 5041880, 8067008, 10083760, 16134016, 20167520, 32268032, 40335040, 80670080, 161340160]

約数ペア:

[(1, 161340160), (2, 80670080), (4, 40335040), (5, 32268032), (8, 20167520), (10, 16134016), (16, 10083760), (20, 8067008), (32, 5041880), (40, 4033504), (64, 2520940), (80, 2016752), (128, 1260470), (160, 1008376), (256, 630235), (320, 504188), (640, 252094), (1280, 126047)]