63980720

素因数分解:

$2^4\times 5^1\times {\mathrm{799759}}^1$

素因数の和:799772

約数の個数: 20

約数和(自身を含む): 148755360

約数和(自身を除く): 84774640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 799759, 1599518, 3199036, 3998795, 6398072, 7997590, 12796144, 15995180, 31990360, 63980720]

約数ペア:

[(1, 63980720), (2, 31990360), (4, 15995180), (5, 12796144), (8, 7997590), (10, 6398072), (16, 3998795), (20, 3199036), (40, 1599518), (80, 799759)]