200900720

素因数分解:

$2^4\times 5^1\times {\mathrm{2511259}}^1$

素因数の和:2511272

約数の個数: 20

約数和(自身を含む): 467094360

約数和(自身を除く): 266193640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2511259, 5022518, 10045036, 12556295, 20090072, 25112590, 40180144, 50225180, 100450360, 200900720]

約数ペア:

[(1, 200900720), (2, 100450360), (4, 50225180), (5, 40180144), (8, 25112590), (10, 20090072), (16, 12556295), (20, 10045036), (40, 5022518), (80, 2511259)]