2005403900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{466373}}^1$

素因数の和:466430

約数の個数: 36

約数和(自身を含む): 4452938952

約数和(自身を除く): 2447535052

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 466373, 932746, 1865492, 2331865, 4663730, 9327460, 11659325, 20054039, 23318650, 40108078, 46637300, 80216156, 100270195, 200540390, 401080780, 501350975, 1002701950, 2005403900]

約数ペア:

[(1, 2005403900), (2, 1002701950), (4, 501350975), (5, 401080780), (10, 200540390), (20, 100270195), (25, 80216156), (43, 46637300), (50, 40108078), (86, 23318650), (100, 20054039), (172, 11659325), (215, 9327460), (430, 4663730), (860, 2331865), (1075, 1865492), (2150, 932746), (4300, 466373)]