68981560

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9029}}^1$

素因数の和:9231

約数の個数: 32

約数和(自身を含む): 156038400

約数和(自身を除く): 87056840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 9029, 18058, 36116, 45145, 72232, 90290, 180580, 361160, 1724539, 3449078, 6898156, 8622695, 13796312, 17245390, 34490780, 68981560]

約数ペア:

[(1, 68981560), (2, 34490780), (4, 17245390), (5, 13796312), (8, 8622695), (10, 6898156), (20, 3449078), (40, 1724539), (191, 361160), (382, 180580), (764, 90290), (955, 72232), (1528, 45145), (1910, 36116), (3820, 18058), (7640, 9029)]