66804520

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{28307}}^1$

素因数の和:28377

約数の個数: 32

約数和(自身を含む): 152863200

約数和(自身を除く): 86058680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 28307, 56614, 113228, 141535, 226456, 283070, 566140, 1132280, 1670113, 3340226, 6680452, 8350565, 13360904, 16701130, 33402260, 66804520]

約数ペア:

[(1, 66804520), (2, 33402260), (4, 16701130), (5, 13360904), (8, 8350565), (10, 6680452), (20, 3340226), (40, 1670113), (59, 1132280), (118, 566140), (236, 283070), (295, 226456), (472, 141535), (590, 113228), (1180, 56614), (2360, 28307)]