28750825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 38401560

約数和(自身を除く): 9650735

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 1037, 1109, 1525, 5185, 5545, 18853, 25925, 27725, 67649, 94265, 338245, 471325, 1150033, 1691225, 5750165, 28750825]

約数ペア:

[(1, 28750825), (5, 5750165), (17, 1691225), (25, 1150033), (61, 471325), (85, 338245), (305, 94265), (425, 67649), (1037, 27725), (1109, 25925), (1525, 18853), (5185, 5545)]