25871825

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 14125615

約数列:

[1, 5, 7, 19, 25, 31, 35, 95, 133, 155, 175, 217, 251, 475, 589, 665, 775, 1085, 1255, 1757, 2945, 3325, 4123, 4769, 5425, 6275, 7781, 8785, 14725, 20615, 23845, 33383, 38905, 43925, 54467, 103075, 119225, 147839, 166915, 194525, 272335, 739195, 834575, 1034873, 1361675, 3695975, 5174365, 25871825]

約数ペア:

[(1, 25871825), (5, 5174365), (7, 3695975), (19, 1361675), (25, 1034873), (31, 834575), (35, 739195), (95, 272335), (133, 194525), (155, 166915), (175, 147839), (217, 119225), (251, 103075), (475, 54467), (589, 43925), (665, 38905), (775, 33383), (1085, 23845), (1255, 20615), (1757, 14725), (2945, 8785), (3325, 7781), (4123, 6275), (4769, 5425)]