42990440

素因数分解:

$2^3\times 5^1\times {\mathrm{1074761}}^1$

素因数の和:1074772

約数の個数: 16

約数和(自身を含む): 96728580

約数和(自身を除く): 53738140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1074761, 2149522, 4299044, 5373805, 8598088, 10747610, 21495220, 42990440]

約数ペア:

[(1, 42990440), (2, 21495220), (4, 10747610), (5, 8598088), (8, 5373805), (10, 4299044), (20, 2149522), (40, 1074761)]