11620720

素因数分解:

$2^4\times 5^1\times {\mathrm{145259}}^1$

素因数の和:145272

約数の個数: 20

約数和(自身を含む): 27018360

約数和(自身を除く): 15397640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 145259, 290518, 581036, 726295, 1162072, 1452590, 2324144, 2905180, 5810360, 11620720]

約数ペア:

[(1, 11620720), (2, 5810360), (4, 2905180), (5, 2324144), (8, 1452590), (10, 1162072), (16, 726295), (20, 581036), (40, 290518), (80, 145259)]