25804288

素因数分解:

$2^9\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:618

約数の個数: 40

約数和(自身を含む): 52173000

約数和(自身を除く): 26368712

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 499, 512, 808, 998, 1616, 1996, 3232, 3992, 6464, 7984, 12928, 15968, 25856, 31936, 50399, 51712, 63872, 100798, 127744, 201596, 255488, 403192, 806384, 1612768, 3225536, 6451072, 12902144, 25804288]

約数ペア:

[(1, 25804288), (2, 12902144), (4, 6451072), (8, 3225536), (16, 1612768), (32, 806384), (64, 403192), (101, 255488), (128, 201596), (202, 127744), (256, 100798), (404, 63872), (499, 51712), (512, 50399), (808, 31936), (998, 25856), (1616, 15968), (1996, 12928), (3232, 7984), (3992, 6464)]