812860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 1728720

約数和(自身を除く): 915860

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 419, 485, 838, 970, 1676, 1940, 2095, 4190, 8380, 40643, 81286, 162572, 203215, 406430, 812860]

約数ペア:

[(1, 812860), (2, 406430), (4, 203215), (5, 162572), (10, 81286), (20, 40643), (97, 8380), (194, 4190), (388, 2095), (419, 1940), (485, 1676), (838, 970)]