2008889240

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{208391}}^1$

素因数の和:208643

約数の個数: 32

約数和(自身を含む): 4538777760

約数和(自身を除く): 2529888520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 208391, 416782, 833564, 1041955, 1667128, 2083910, 4167820, 8335640, 50222231, 100444462, 200888924, 251111155, 401777848, 502222310, 1004444620, 2008889240]

約数ペア:

[(1, 2008889240), (2, 1004444620), (4, 502222310), (5, 401777848), (8, 251111155), (10, 200888924), (20, 100444462), (40, 50222231), (241, 8335640), (482, 4167820), (964, 2083910), (1205, 1667128), (1928, 1041955), (2410, 833564), (4820, 416782), (9640, 208391)]