2005307140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{789491}}^1$

素因数の和:789627

約数の個数: 24

約数和(自身を含む): 4244308992

約数和(自身を除く): 2239001852

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 789491, 1578982, 3157964, 3947455, 7894910, 15789820, 100265357, 200530714, 401061428, 501326785, 1002653570, 2005307140]

約数ペア:

[(1, 2005307140), (2, 1002653570), (4, 501326785), (5, 401061428), (10, 200530714), (20, 100265357), (127, 15789820), (254, 7894910), (508, 3947455), (635, 3157964), (1270, 1578982), (2540, 789491)]