85204520

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4447}}^1$

素因数の和:4937

約数の個数: 32

約数和(自身を含む): 192153600

約数和(自身を除く): 106949080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4447, 4790, 8894, 9580, 17788, 19160, 22235, 35576, 44470, 88940, 177880, 2130113, 4260226, 8520452, 10650565, 17040904, 21301130, 42602260, 85204520]

約数ペア:

[(1, 85204520), (2, 42602260), (4, 21301130), (5, 17040904), (8, 10650565), (10, 8520452), (20, 4260226), (40, 2130113), (479, 177880), (958, 88940), (1916, 44470), (2395, 35576), (3832, 22235), (4447, 19160), (4790, 17788), (8894, 9580)]