8431840

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 20109600

約数和(自身を除く): 11677760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 349, 604, 698, 755, 1208, 1396, 1510, 1745, 2416, 2792, 3020, 3490, 4832, 5584, 6040, 6980, 11168, 12080, 13960, 24160, 27920, 52699, 55840, 105398, 210796, 263495, 421592, 526990, 843184, 1053980, 1686368, 2107960, 4215920, 8431840]

約数ペア:

[(1, 8431840), (2, 4215920), (4, 2107960), (5, 1686368), (8, 1053980), (10, 843184), (16, 526990), (20, 421592), (32, 263495), (40, 210796), (80, 105398), (151, 55840), (160, 52699), (302, 27920), (349, 24160), (604, 13960), (698, 12080), (755, 11168), (1208, 6980), (1396, 6040), (1510, 5584), (1745, 4832), (2416, 3490), (2792, 3020)]