19773700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2503}}^1$

素因数の和:2596

約数の個数: 36

約数和(自身を含む): 43469440

約数和(自身を除く): 23695740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2503, 3950, 5006, 7900, 10012, 12515, 25030, 50060, 62575, 125150, 197737, 250300, 395474, 790948, 988685, 1977370, 3954740, 4943425, 9886850, 19773700]

約数ペア:

[(1, 19773700), (2, 9886850), (4, 4943425), (5, 3954740), (10, 1977370), (20, 988685), (25, 790948), (50, 395474), (79, 250300), (100, 197737), (158, 125150), (316, 62575), (395, 50060), (790, 25030), (1580, 12515), (1975, 10012), (2503, 7900), (3950, 5006)]