25515232

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 55702080

約数和(自身を除く): 30186848

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 89, 124, 136, 178, 248, 272, 289, 356, 496, 527, 544, 578, 712, 992, 1054, 1156, 1424, 1513, 2108, 2312, 2759, 2848, 3026, 4216, 4624, 5518, 6052, 8432, 8959, 9248, 11036, 12104, 16864, 17918, 22072, 24208, 25721, 35836, 44144, 46903, 48416, 51442, 71672, 88288, 93806, 102884, 143344, 187612, 205768, 286688, 375224, 411536, 750448, 797351, 823072, 1500896, 1594702, 3189404, 6378808, 12757616, 25515232]

約数ペア:

[(1, 25515232), (2, 12757616), (4, 6378808), (8, 3189404), (16, 1594702), (17, 1500896), (31, 823072), (32, 797351), (34, 750448), (62, 411536), (68, 375224), (89, 286688), (124, 205768), (136, 187612), (178, 143344), (248, 102884), (272, 93806), (289, 88288), (356, 71672), (496, 51442), (527, 48416), (544, 46903), (578, 44144), (712, 35836), (992, 25721), (1054, 24208), (1156, 22072), (1424, 17918), (1513, 16864), (2108, 12104), (2312, 11036), (2759, 9248), (2848, 8959), (3026, 8432), (4216, 6052), (4624, 5518)]