519492040

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{20261}}^1$

素因数の和:20913

約数の個数: 32

約数和(自身を含む): 1170738360

約数和(自身を除く): 651246320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 20261, 25640, 40522, 81044, 101305, 162088, 202610, 405220, 810440, 12987301, 25974602, 51949204, 64936505, 103898408, 129873010, 259746020, 519492040]

約数ペア:

[(1, 519492040), (2, 259746020), (4, 129873010), (5, 103898408), (8, 64936505), (10, 51949204), (20, 25974602), (40, 12987301), (641, 810440), (1282, 405220), (2564, 202610), (3205, 162088), (5128, 101305), (6410, 81044), (12820, 40522), (20261, 25640)]