42256780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 91151424

約数和(自身を除く): 48894644

約数列:

[1, 2, 4, 5, 10, 20, 73, 103, 146, 206, 281, 292, 365, 412, 515, 562, 730, 1030, 1124, 1405, 1460, 2060, 2810, 5620, 7519, 15038, 20513, 28943, 30076, 37595, 41026, 57886, 75190, 82052, 102565, 115772, 144715, 150380, 205130, 289430, 410260, 578860, 2112839, 4225678, 8451356, 10564195, 21128390, 42256780]

約数ペア:

[(1, 42256780), (2, 21128390), (4, 10564195), (5, 8451356), (10, 4225678), (20, 2112839), (73, 578860), (103, 410260), (146, 289430), (206, 205130), (281, 150380), (292, 144715), (365, 115772), (412, 102565), (515, 82052), (562, 75190), (730, 57886), (1030, 41026), (1124, 37595), (1405, 30076), (1460, 28943), (2060, 20513), (2810, 15038), (5620, 7519)]