81783160

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{6067}}^1$

素因数の和:6415

約数の個数: 32

約数和(自身を含む): 184588560

約数和(自身を除く): 102805400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6067, 6740, 12134, 13480, 24268, 30335, 48536, 60670, 121340, 242680, 2044579, 4089158, 8178316, 10222895, 16356632, 20445790, 40891580, 81783160]

約数ペア:

[(1, 81783160), (2, 40891580), (4, 20445790), (5, 16356632), (8, 10222895), (10, 8178316), (20, 4089158), (40, 2044579), (337, 242680), (674, 121340), (1348, 60670), (1685, 48536), (2696, 30335), (3370, 24268), (6067, 13480), (6740, 12134)]