25894825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 12674135

約数列:

[1, 5, 11, 17, 25, 29, 55, 85, 145, 187, 191, 275, 319, 425, 493, 725, 935, 955, 1595, 2101, 2465, 3247, 4675, 4775, 5423, 5539, 7975, 10505, 12325, 16235, 27115, 27695, 35717, 52525, 60929, 81175, 94163, 135575, 138475, 178585, 304645, 470815, 892925, 1035793, 1523225, 2354075, 5178965, 25894825]

約数ペア:

[(1, 25894825), (5, 5178965), (11, 2354075), (17, 1523225), (25, 1035793), (29, 892925), (55, 470815), (85, 304645), (145, 178585), (187, 138475), (191, 135575), (275, 94163), (319, 81175), (425, 60929), (493, 52525), (725, 35717), (935, 27695), (955, 27115), (1595, 16235), (2101, 12325), (2465, 10505), (3247, 7975), (4675, 5539), (4775, 5423)]