24997904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 50592000

約数和(自身を除く): 25594096

約数列:

[1, 2, 4, 8, 16, 31, 62, 101, 124, 202, 248, 404, 496, 499, 808, 998, 1616, 1996, 3131, 3992, 6262, 7984, 12524, 15469, 25048, 30938, 50096, 50399, 61876, 100798, 123752, 201596, 247504, 403192, 806384, 1562369, 3124738, 6249476, 12498952, 24997904]

約数ペア:

[(1, 24997904), (2, 12498952), (4, 6249476), (8, 3124738), (16, 1562369), (31, 806384), (62, 403192), (101, 247504), (124, 201596), (202, 123752), (248, 100798), (404, 61876), (496, 50399), (499, 50096), (808, 30938), (998, 25048), (1616, 15469), (1996, 12524), (3131, 7984), (3992, 6262)]