42172175

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 53687040

約数和(自身を除く): 11514865

約数列:

[1, 5, 25, 79, 131, 163, 395, 655, 815, 1975, 3275, 4075, 10349, 12877, 21353, 51745, 64385, 106765, 258725, 321925, 533825, 1686887, 8434435, 42172175]

約数ペア:

[(1, 42172175), (5, 8434435), (25, 1686887), (79, 533825), (131, 321925), (163, 258725), (395, 106765), (655, 64385), (815, 51745), (1975, 21353), (3275, 12877), (4075, 10349)]