31732760

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4027}}^1$

素因数の和:4235

約数の個数: 32

約数和(自身を含む): 71778960

約数和(自身を除く): 40046200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 4027, 7880, 8054, 16108, 20135, 32216, 40270, 80540, 161080, 793319, 1586638, 3173276, 3966595, 6346552, 7933190, 15866380, 31732760]

約数ペア:

[(1, 31732760), (2, 15866380), (4, 7933190), (5, 6346552), (8, 3966595), (10, 3173276), (20, 1586638), (40, 793319), (197, 161080), (394, 80540), (788, 40270), (985, 32216), (1576, 20135), (1970, 16108), (3940, 8054), (4027, 7880)]