157600

素因数分解:

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

素因数の和:217

約数の個数: 36

約数和(自身を含む): 386694

約数和(自身を除く): 229094

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 788, 800, 985, 1576, 1970, 3152, 3940, 4925, 6304, 7880, 9850, 15760, 19700, 31520, 39400, 78800, 157600]

約数ペア:

[(1, 157600), (2, 78800), (4, 39400), (5, 31520), (8, 19700), (10, 15760), (16, 9850), (20, 7880), (25, 6304), (32, 4925), (40, 3940), (50, 3152), (80, 1970), (100, 1576), (160, 985), (197, 800), (200, 788), (394, 400)]