65173060

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{8377}}^1$

素因数の和:8775

約数の個数: 24

約数和(自身を含む): 137231640

約数和(自身を除く): 72058580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 8377, 16754, 33508, 41885, 83770, 167540, 3258653, 6517306, 13034612, 16293265, 32586530, 65173060]

約数ペア:

[(1, 65173060), (2, 32586530), (4, 16293265), (5, 13034612), (10, 6517306), (20, 3258653), (389, 167540), (778, 83770), (1556, 41885), (1945, 33508), (3890, 16754), (7780, 8377)]