131575040

素因数分解:

$2^8\times 5^1\times {\mathrm{102793}}^1$

素因数の和:102814

約数の個数: 36

約数和(自身を含む): 315166404

約数和(自身を除く): 183591364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 102793, 205586, 411172, 513965, 822344, 1027930, 1644688, 2055860, 3289376, 4111720, 6578752, 8223440, 13157504, 16446880, 26315008, 32893760, 65787520, 131575040]

約数ペア:

[(1, 131575040), (2, 65787520), (4, 32893760), (5, 26315008), (8, 16446880), (10, 13157504), (16, 8223440), (20, 6578752), (32, 4111720), (40, 3289376), (64, 2055860), (80, 1644688), (128, 1027930), (160, 822344), (256, 513965), (320, 411172), (640, 205586), (1280, 102793)]