28352900

素因数分解:

$2^2\times 5^2\times {\mathrm{281}}^1\times {\mathrm{1009}}^1$

素因数の和:1304

約数の個数: 36

約数和(自身を含む): 61805940

約数和(自身を除く): 33453040

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 281, 562, 1009, 1124, 1405, 2018, 2810, 4036, 5045, 5620, 7025, 10090, 14050, 20180, 25225, 28100, 50450, 100900, 283529, 567058, 1134116, 1417645, 2835290, 5670580, 7088225, 14176450, 28352900]

約数ペア:

[(1, 28352900), (2, 14176450), (4, 7088225), (5, 5670580), (10, 2835290), (20, 1417645), (25, 1134116), (50, 567058), (100, 283529), (281, 100900), (562, 50450), (1009, 28100), (1124, 25225), (1405, 20180), (2018, 14050), (2810, 10090), (4036, 7025), (5045, 5620)]