2015382280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{498857}}^1$

素因数の和:498969

約数の個数: 32

約数和(自身を含む): 4579516440

約数和(自身を除く): 2564134160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 498857, 997714, 1995428, 2494285, 3990856, 4988570, 9977140, 19954280, 50384557, 100769114, 201538228, 251922785, 403076456, 503845570, 1007691140, 2015382280]

約数ペア:

[(1, 2015382280), (2, 1007691140), (4, 503845570), (5, 403076456), (8, 251922785), (10, 201538228), (20, 100769114), (40, 50384557), (101, 19954280), (202, 9977140), (404, 4988570), (505, 3990856), (808, 2494285), (1010, 1995428), (2020, 997714), (4040, 498857)]