40480280

素因数分解:

$2^3\times 5^1\times {\mathrm{1012007}}^1$

素因数の和:1012018

約数の個数: 16

約数和(自身を含む): 91080720

約数和(自身を除く): 50600440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1012007, 2024014, 4048028, 5060035, 8096056, 10120070, 20240140, 40480280]

約数ペア:

[(1, 40480280), (2, 20240140), (4, 10120070), (5, 8096056), (8, 5060035), (10, 4048028), (20, 2024014), (40, 1012007)]