28190020

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3719}}^1$

素因数の和:4107

約数の個数: 24

約数和(自身を含む): 59371200

約数和(自身を除く): 31181180

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3719, 3790, 7438, 7580, 14876, 18595, 37190, 74380, 1409501, 2819002, 5638004, 7047505, 14095010, 28190020]

約数ペア:

[(1, 28190020), (2, 14095010), (4, 7047505), (5, 5638004), (10, 2819002), (20, 1409501), (379, 74380), (758, 37190), (1516, 18595), (1895, 14876), (3719, 7580), (3790, 7438)]