7241720

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{919}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 16394400

約数和(自身を除く): 9152680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 919, 985, 1576, 1838, 1970, 3676, 3940, 4595, 7352, 7880, 9190, 18380, 36760, 181043, 362086, 724172, 905215, 1448344, 1810430, 3620860, 7241720]

約数ペア:

[(1, 7241720), (2, 3620860), (4, 1810430), (5, 1448344), (8, 905215), (10, 724172), (20, 362086), (40, 181043), (197, 36760), (394, 18380), (788, 9190), (919, 7880), (985, 7352), (1576, 4595), (1838, 3940), (1970, 3676)]