20160705640

素因数分解:

$2^3\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{313249}}^1$

素因数の和:314869

約数の個数: 32

約数和(自身を含む): 45389925000

約数和(自身を除く): 25229219360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1609, 3218, 6436, 8045, 12872, 16090, 32180, 64360, 313249, 626498, 1252996, 1566245, 2505992, 3132490, 6264980, 12529960, 504017641, 1008035282, 2016070564, 2520088205, 4032141128, 5040176410, 10080352820, 20160705640]

約数ペア:

[(1, 20160705640), (2, 10080352820), (4, 5040176410), (5, 4032141128), (8, 2520088205), (10, 2016070564), (20, 1008035282), (40, 504017641), (1609, 12529960), (3218, 6264980), (6436, 3132490), (8045, 2505992), (12872, 1566245), (16090, 1252996), (32180, 626498), (64360, 313249)]