81331150

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 157650624

約数和(自身を除く): 76319474

約数列:

[1, 2, 5, 10, 25, 47, 50, 53, 94, 106, 235, 265, 470, 530, 653, 1175, 1306, 1325, 2350, 2491, 2650, 3265, 4982, 6530, 12455, 16325, 24910, 30691, 32650, 34609, 61382, 62275, 69218, 124550, 153455, 173045, 306910, 346090, 767275, 865225, 1534550, 1626623, 1730450, 3253246, 8133115, 16266230, 40665575, 81331150]

約数ペア:

[(1, 81331150), (2, 40665575), (5, 16266230), (10, 8133115), (25, 3253246), (47, 1730450), (50, 1626623), (53, 1534550), (94, 865225), (106, 767275), (235, 346090), (265, 306910), (470, 173045), (530, 153455), (653, 124550), (1175, 69218), (1306, 62275), (1325, 61382), (2350, 34609), (2491, 32650), (2650, 30691), (3265, 24910), (4982, 16325), (6530, 12455)]