81229240

素因数分解:

$2^3\times 5^1\times {\mathrm{2030731}}^1$

素因数の和:2030742

約数の個数: 16

約数和(自身を含む): 182765880

約数和(自身を除く): 101536640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2030731, 4061462, 8122924, 10153655, 16245848, 20307310, 40614620, 81229240]

約数ペア:

[(1, 81229240), (2, 40614620), (4, 20307310), (5, 16245848), (8, 10153655), (10, 8122924), (20, 4061462), (40, 2030731)]