181106720

素因数分解:

$2^5\times 5^1\times {\mathrm{1131917}}^1$

素因数の和:1131932

約数の個数: 24

約数和(自身を含む): 427865004

約数和(自身を除く): 246758284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1131917, 2263834, 4527668, 5659585, 9055336, 11319170, 18110672, 22638340, 36221344, 45276680, 90553360, 181106720]

約数ペア:

[(1, 181106720), (2, 90553360), (4, 45276680), (5, 36221344), (8, 22638340), (10, 18110672), (16, 11319170), (20, 9055336), (32, 5659585), (40, 4527668), (80, 2263834), (160, 1131917)]