31576940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54443}}^1$

素因数の和:54481

約数の個数: 24

約数和(自身を含む): 68599440

約数和(自身を除く): 37022500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 54443, 108886, 217772, 272215, 544430, 1088860, 1578847, 3157694, 6315388, 7894235, 15788470, 31576940]

約数ペア:

[(1, 31576940), (2, 15788470), (4, 7894235), (5, 6315388), (10, 3157694), (20, 1578847), (29, 1088860), (58, 544430), (116, 272215), (145, 217772), (290, 108886), (580, 54443)]