25285925

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 38092800

約数和(自身を除く): 12806875

約数列:

[1, 5, 7, 25, 31, 35, 59, 79, 155, 175, 217, 295, 395, 413, 553, 775, 1085, 1475, 1829, 1975, 2065, 2449, 2765, 4661, 5425, 9145, 10325, 12245, 12803, 13825, 17143, 23305, 32627, 45725, 61225, 64015, 85715, 116525, 144491, 163135, 320075, 428575, 722455, 815675, 1011437, 3612275, 5057185, 25285925]

約数ペア:

[(1, 25285925), (5, 5057185), (7, 3612275), (25, 1011437), (31, 815675), (35, 722455), (59, 428575), (79, 320075), (155, 163135), (175, 144491), (217, 116525), (295, 85715), (395, 64015), (413, 61225), (553, 45725), (775, 32627), (1085, 23305), (1475, 17143), (1829, 13825), (1975, 12803), (2065, 12245), (2449, 10325), (2765, 9145), (4661, 5425)]