1813480

素因数分解:

$2^3\times 5^1\times {\mathrm{45337}}^1$

素因数の和:45348

約数の個数: 16

約数和(自身を含む): 4080420

約数和(自身を除く): 2266940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 45337, 90674, 181348, 226685, 362696, 453370, 906740, 1813480]

約数ペア:

[(1, 1813480), (2, 906740), (4, 453370), (5, 362696), (8, 226685), (10, 181348), (20, 90674), (40, 45337)]