2015396980

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{124561}}^1$

素因数の和:125379

約数の個数: 24

約数和(自身を含む): 4237599240

約数和(自身を除く): 2222202260

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 124561, 249122, 498244, 622805, 1245610, 2491220, 100769849, 201539698, 403079396, 503849245, 1007698490, 2015396980]

約数ペア:

[(1, 2015396980), (2, 1007698490), (4, 503849245), (5, 403079396), (10, 201539698), (20, 100769849), (809, 2491220), (1618, 1245610), (3236, 622805), (4045, 498244), (8090, 249122), (16180, 124561)]