65224375

素因数分解:

$5^4\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1420

約数の個数: 20

約数和(自身を含む): 82598560

約数和(自身を除く): 17374185

約数列:

[1, 5, 25, 79, 125, 395, 625, 1321, 1975, 6605, 9875, 33025, 49375, 104359, 165125, 521795, 825625, 2608975, 13044875, 65224375]

約数ペア:

[(1, 65224375), (5, 13044875), (25, 2608975), (79, 825625), (125, 521795), (395, 165125), (625, 104359), (1321, 49375), (1975, 33025), (6605, 9875)]