38883440

素因数分解:

$2^4\times 5^1\times {\mathrm{486043}}^1$

素因数の和:486056

約数の個数: 20

約数和(自身を含む): 90404184

約数和(自身を除く): 51520744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486043, 972086, 1944172, 2430215, 3888344, 4860430, 7776688, 9720860, 19441720, 38883440]

約数ペア:

[(1, 38883440), (2, 19441720), (4, 9720860), (5, 7776688), (8, 4860430), (10, 3888344), (16, 2430215), (20, 1944172), (40, 972086), (80, 486043)]