25518368

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{47}}^2$

素因数の和:142

約数の個数: 54

約数和(自身を含む): 54174771

約数和(自身を除く): 28656403

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 361, 376, 608, 722, 752, 893, 1444, 1504, 1786, 2209, 2888, 3572, 4418, 5776, 7144, 8836, 11552, 14288, 16967, 17672, 28576, 33934, 35344, 41971, 67868, 70688, 83942, 135736, 167884, 271472, 335768, 542944, 671536, 797449, 1343072, 1594898, 3189796, 6379592, 12759184, 25518368]

約数ペア:

[(1, 25518368), (2, 12759184), (4, 6379592), (8, 3189796), (16, 1594898), (19, 1343072), (32, 797449), (38, 671536), (47, 542944), (76, 335768), (94, 271472), (152, 167884), (188, 135736), (304, 83942), (361, 70688), (376, 67868), (608, 41971), (722, 35344), (752, 33934), (893, 28576), (1444, 17672), (1504, 16967), (1786, 14288), (2209, 11552), (2888, 8836), (3572, 7144), (4418, 5776)]