26966875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{3319}}^1$

素因数の和:3352

約数の個数: 20

約数和(自身を含む): 36300880

約数和(自身を除く): 9334005

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 3319, 8125, 16595, 43147, 82975, 215735, 414875, 1078675, 2074375, 5393375, 26966875]

約数ペア:

[(1, 26966875), (5, 5393375), (13, 2074375), (25, 1078675), (65, 414875), (125, 215735), (325, 82975), (625, 43147), (1625, 16595), (3319, 8125)]