133281080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{77489}}^1$

素因数の和:77543

約数の個数: 32

約数和(自身を含む): 306860400

約数和(自身を除く): 173579320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 77489, 154978, 309956, 387445, 619912, 774890, 1549780, 3099560, 3332027, 6664054, 13328108, 16660135, 26656216, 33320270, 66640540, 133281080]

約数ペア:

[(1, 133281080), (2, 66640540), (4, 33320270), (5, 26656216), (8, 16660135), (10, 13328108), (20, 6664054), (40, 3332027), (43, 3099560), (86, 1549780), (172, 774890), (215, 619912), (344, 387445), (430, 309956), (860, 154978), (1720, 77489)]