181921120

素因数分解:

$2^5\times 5^1\times {\mathrm{1137007}}^1$

素因数の和:1137022

約数の個数: 24

約数和(自身を含む): 429789024

約数和(自身を除く): 247867904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1137007, 2274014, 4548028, 5685035, 9096056, 11370070, 18192112, 22740140, 36384224, 45480280, 90960560, 181921120]

約数ペア:

[(1, 181921120), (2, 90960560), (4, 45480280), (5, 36384224), (8, 22740140), (10, 18192112), (16, 11370070), (20, 9096056), (32, 5685035), (40, 4548028), (80, 2274014), (160, 1137007)]