80939845

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 114232320

約数和(自身を除く): 33292475

約数列:

[1, 5, 7, 35, 73, 79, 365, 395, 401, 511, 553, 2005, 2555, 2765, 2807, 5767, 14035, 28835, 29273, 31679, 40369, 146365, 158395, 201845, 204911, 221753, 1024555, 1108765, 2312567, 11562835, 16187969, 80939845]

約数ペア:

[(1, 80939845), (5, 16187969), (7, 11562835), (35, 2312567), (73, 1108765), (79, 1024555), (365, 221753), (395, 204911), (401, 201845), (511, 158395), (553, 146365), (2005, 40369), (2555, 31679), (2765, 29273), (2807, 28835), (5767, 14035)]