2578045180

素因数分解:

$2^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{87629}}^1$

素因数の和:89109

約数の個数: 24

約数和(自身を含む): 5417637120

約数和(自身を除く): 2839591940

約数列:

[1, 2, 4, 5, 10, 20, 1471, 2942, 5884, 7355, 14710, 29420, 87629, 175258, 350516, 438145, 876290, 1752580, 128902259, 257804518, 515609036, 644511295, 1289022590, 2578045180]

約数ペア:

[(1, 2578045180), (2, 1289022590), (4, 644511295), (5, 515609036), (10, 257804518), (20, 128902259), (1471, 1752580), (2942, 876290), (5884, 438145), (7355, 350516), (14710, 175258), (29420, 87629)]