211205920

素因数分解:

$2^5\times 5^1\times {\mathrm{1320037}}^1$

素因数の和:1320052

約数の個数: 24

約数和(自身を含む): 498974364

約数和(自身を除く): 287768444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1320037, 2640074, 5280148, 6600185, 10560296, 13200370, 21120592, 26400740, 42241184, 52801480, 105602960, 211205920]

約数ペア:

[(1, 211205920), (2, 105602960), (4, 52801480), (5, 42241184), (8, 26400740), (10, 21120592), (16, 13200370), (20, 10560296), (32, 6600185), (40, 5280148), (80, 2640074), (160, 1320037)]