2107960

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 4788000

約数和(自身を除く): 2680040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 349, 604, 698, 755, 1208, 1396, 1510, 1745, 2792, 3020, 3490, 6040, 6980, 13960, 52699, 105398, 210796, 263495, 421592, 526990, 1053980, 2107960]

約数ペア:

[(1, 2107960), (2, 1053980), (4, 526990), (5, 421592), (8, 263495), (10, 210796), (20, 105398), (40, 52699), (151, 13960), (302, 6980), (349, 6040), (604, 3490), (698, 3020), (755, 2792), (1208, 1745), (1396, 1510)]