26421875

素因数分解:

$5^6\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 28

約数和(自身を含む): 35155800

約数和(自身を除く): 8733925

約数列:

[1, 5, 19, 25, 89, 95, 125, 445, 475, 625, 1691, 2225, 2375, 3125, 8455, 11125, 11875, 15625, 42275, 55625, 59375, 211375, 278125, 296875, 1056875, 1390625, 5284375, 26421875]

約数ペア:

[(1, 26421875), (5, 5284375), (19, 1390625), (25, 1056875), (89, 296875), (95, 278125), (125, 211375), (445, 59375), (475, 55625), (625, 42275), (1691, 15625), (2225, 11875), (2375, 11125), (3125, 8455)]