81447050

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{11719}}^1$

素因数の和:11870

約数の個数: 24

約数和(自身を含む): 152594400

約数和(自身を除く): 71147350

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 6950, 11719, 23438, 58595, 117190, 292975, 585950, 1628941, 3257882, 8144705, 16289410, 40723525, 81447050]

約数ペア:

[(1, 81447050), (2, 40723525), (5, 16289410), (10, 8144705), (25, 3257882), (50, 1628941), (139, 585950), (278, 292975), (695, 117190), (1390, 58595), (3475, 23438), (6950, 11719)]