26400625

素因数分解:

$5^4\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:870

約数の個数: 20

約数和(自身を含む): 33654852

約数和(自身を除く): 7254227

約数列:

[1, 5, 25, 53, 125, 265, 625, 797, 1325, 3985, 6625, 19925, 33125, 42241, 99625, 211205, 498125, 1056025, 5280125, 26400625]

約数ペア:

[(1, 26400625), (5, 5280125), (25, 1056025), (53, 498125), (125, 211205), (265, 99625), (625, 42241), (797, 33125), (1325, 19925), (3985, 6625)]