25248005

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1559}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 6201595

約数列:

[1, 5, 41, 79, 205, 395, 1559, 3239, 7795, 16195, 63919, 123161, 319595, 615805, 5049601, 25248005]

約数ペア:

[(1, 25248005), (5, 5049601), (41, 615805), (79, 319595), (205, 123161), (395, 63919), (1559, 16195), (3239, 7795)]