79908125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 111339360

約数和(自身を除く): 31431235

約数列:

[1, 5, 11, 25, 55, 59, 125, 197, 275, 295, 625, 649, 985, 1375, 1475, 2167, 3245, 4925, 6875, 7375, 10835, 11623, 16225, 24625, 36875, 54175, 58115, 81125, 123125, 127853, 270875, 290575, 405625, 639265, 1354375, 1452875, 3196325, 7264375, 15981625, 79908125]

約数ペア:

[(1, 79908125), (5, 15981625), (11, 7264375), (25, 3196325), (55, 1452875), (59, 1354375), (125, 639265), (197, 405625), (275, 290575), (295, 270875), (625, 127853), (649, 123125), (985, 81125), (1375, 58115), (1475, 54175), (2167, 36875), (3245, 24625), (4925, 16225), (6875, 11623), (7375, 10835)]