39981140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2377}}^1$

素因数の和:2444

約数の個数: 36

約数和(自身を含む): 86991996

約数和(自身を除く): 47010856

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 2377, 3364, 4205, 4754, 8410, 9508, 11885, 16820, 23770, 47540, 68933, 137866, 275732, 344665, 689330, 1378660, 1999057, 3998114, 7996228, 9995285, 19990570, 39981140]

約数ペア:

[(1, 39981140), (2, 19990570), (4, 9995285), (5, 7996228), (10, 3998114), (20, 1999057), (29, 1378660), (58, 689330), (116, 344665), (145, 275732), (290, 137866), (580, 68933), (841, 47540), (1682, 23770), (2377, 16820), (3364, 11885), (4205, 9508), (4754, 8410)]