25117664

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 72

約数和(自身を含む): 58653000

約数和(自身を除く): 33535336

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 352, 416, 484, 499, 572, 968, 998, 1144, 1573, 1936, 1996, 2288, 3146, 3872, 3992, 4576, 5489, 6292, 6487, 7984, 10978, 12584, 12974, 15968, 21956, 25168, 25948, 43912, 50336, 51896, 60379, 71357, 87824, 103792, 120758, 142714, 175648, 207584, 241516, 285428, 483032, 570856, 784927, 966064, 1141712, 1569854, 1932128, 2283424, 3139708, 6279416, 12558832, 25117664]

約数ペア:

[(1, 25117664), (2, 12558832), (4, 6279416), (8, 3139708), (11, 2283424), (13, 1932128), (16, 1569854), (22, 1141712), (26, 966064), (32, 784927), (44, 570856), (52, 483032), (88, 285428), (104, 241516), (121, 207584), (143, 175648), (176, 142714), (208, 120758), (242, 103792), (286, 87824), (352, 71357), (416, 60379), (484, 51896), (499, 50336), (572, 43912), (968, 25948), (998, 25168), (1144, 21956), (1573, 15968), (1936, 12974), (1996, 12584), (2288, 10978), (3146, 7984), (3872, 6487), (3992, 6292), (4576, 5489)]