8630020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61643}}^1$

素因数の和:61659

約数の個数: 24

約数和(自身を含む): 20712384

約数和(自身を除く): 12082364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 61643, 123286, 246572, 308215, 431501, 616430, 863002, 1232860, 1726004, 2157505, 4315010, 8630020]

約数ペア:

[(1, 8630020), (2, 4315010), (4, 2157505), (5, 1726004), (7, 1232860), (10, 863002), (14, 616430), (20, 431501), (28, 308215), (35, 246572), (70, 123286), (140, 61643)]