28503325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 38836800

約数和(自身を除く): 10333475

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 2185, 2609, 10925, 13045, 49571, 60007, 65225, 247855, 300035, 1140133, 1239275, 1500175, 5700665, 28503325]

約数ペア:

[(1, 28503325), (5, 5700665), (19, 1500175), (23, 1239275), (25, 1140133), (95, 300035), (115, 247855), (437, 65225), (475, 60007), (575, 49571), (2185, 13045), (2609, 10925)]