80523025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{839}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 109368000

約数和(自身を除く): 28844975

約数列:

[1, 5, 11, 25, 55, 275, 349, 839, 1745, 3839, 4195, 8725, 9229, 19195, 20975, 46145, 95975, 230725, 292811, 1464055, 3220921, 7320275, 16104605, 80523025]

約数ペア:

[(1, 80523025), (5, 16104605), (11, 7320275), (25, 3220921), (55, 1464055), (275, 292811), (349, 230725), (839, 95975), (1745, 46145), (3839, 20975), (4195, 19195), (8725, 9229)]