80025700

素因数分解:

$2^2\times 5^2\times {\mathrm{349}}^1\times {\mathrm{2293}}^1$

素因数の和:2656

約数の個数: 36

約数和(自身を含む): 174229300

約数和(自身を除く): 94203600

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 349, 698, 1396, 1745, 2293, 3490, 4586, 6980, 8725, 9172, 11465, 17450, 22930, 34900, 45860, 57325, 114650, 229300, 800257, 1600514, 3201028, 4001285, 8002570, 16005140, 20006425, 40012850, 80025700]

約数ペア:

[(1, 80025700), (2, 40012850), (4, 20006425), (5, 16005140), (10, 8002570), (20, 4001285), (25, 3201028), (50, 1600514), (100, 800257), (349, 229300), (698, 114650), (1396, 57325), (1745, 45860), (2293, 34900), (3490, 22930), (4586, 17450), (6980, 11465), (8725, 9172)]