13564375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{1973}}^1$

素因数の和:2004

約数の個数: 20

約数和(自身を含む): 18500328

約数和(自身を除く): 4935953

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 1973, 6875, 9865, 21703, 49325, 108515, 246625, 542575, 1233125, 2712875, 13564375]

約数ペア:

[(1, 13564375), (5, 2712875), (11, 1233125), (25, 542575), (55, 246625), (125, 108515), (275, 49325), (625, 21703), (1375, 9865), (1973, 6875)]