25492912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 51584000

約数和(自身を除く): 26091088

約数列:

[1, 2, 4, 8, 16, 31, 62, 103, 124, 206, 248, 412, 496, 499, 824, 998, 1648, 1996, 3193, 3992, 6386, 7984, 12772, 15469, 25544, 30938, 51088, 51397, 61876, 102794, 123752, 205588, 247504, 411176, 822352, 1593307, 3186614, 6373228, 12746456, 25492912]

約数ペア:

[(1, 25492912), (2, 12746456), (4, 6373228), (8, 3186614), (16, 1593307), (31, 822352), (62, 411176), (103, 247504), (124, 205588), (206, 123752), (248, 102794), (412, 61876), (496, 51397), (499, 51088), (824, 30938), (998, 25544), (1648, 15469), (1996, 12772), (3193, 7984), (3992, 6386)]