72880925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3347}}^1$

素因数の和:3437

約数の個数: 24

約数和(自身を含む): 98806176

約数和(自身を除く): 25925251

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 3347, 4355, 16735, 21775, 43511, 83675, 217555, 224249, 1087775, 1121245, 2915237, 5606225, 14576185, 72880925]

約数ペア:

[(1, 72880925), (5, 14576185), (13, 5606225), (25, 2915237), (65, 1121245), (67, 1087775), (325, 224249), (335, 217555), (871, 83675), (1675, 43511), (3347, 21775), (4355, 16735)]