12641000

素因数分解:

$2^3\times 5^3\times {\mathrm{12641}}^1$

素因数の和:12662

約数の個数: 32

約数和(自身を含む): 29582280

約数和(自身を除く): 16941280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 12641, 25282, 50564, 63205, 101128, 126410, 252820, 316025, 505640, 632050, 1264100, 1580125, 2528200, 3160250, 6320500, 12641000]

約数ペア:

[(1, 12641000), (2, 6320500), (4, 3160250), (5, 2528200), (8, 1580125), (10, 1264100), (20, 632050), (25, 505640), (40, 316025), (50, 252820), (100, 126410), (125, 101128), (200, 63205), (250, 50564), (500, 25282), (1000, 12641)]