161266880

素因数分解:

$2^6\times 5^1\times {\mathrm{503959}}^1$

素因数の和:503976

約数の個数: 28

約数和(自身を含む): 384017520

約数和(自身を除く): 222750640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 503959, 1007918, 2015836, 2519795, 4031672, 5039590, 8063344, 10079180, 16126688, 20158360, 32253376, 40316720, 80633440, 161266880]

約数ペア:

[(1, 161266880), (2, 80633440), (4, 40316720), (5, 32253376), (8, 20158360), (10, 16126688), (16, 10079180), (20, 8063344), (32, 5039590), (40, 4031672), (64, 2519795), (80, 2015836), (160, 1007918), (320, 503959)]