2564375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{373}}^1$

素因数の和:404

約数の個数: 20

約数和(自身を含む): 3505128

約数和(自身を除く): 940753

約数列:

[1, 5, 11, 25, 55, 125, 275, 373, 625, 1375, 1865, 4103, 6875, 9325, 20515, 46625, 102575, 233125, 512875, 2564375]

約数ペア:

[(1, 2564375), (5, 512875), (11, 233125), (25, 102575), (55, 46625), (125, 20515), (275, 9325), (373, 6875), (625, 4103), (1375, 1865)]