1625720

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 3704400

約数和(自身を除く): 2078680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 419, 485, 776, 838, 970, 1676, 1940, 2095, 3352, 3880, 4190, 8380, 16760, 40643, 81286, 162572, 203215, 325144, 406430, 812860, 1625720]

約数ペア:

[(1, 1625720), (2, 812860), (4, 406430), (5, 325144), (8, 203215), (10, 162572), (20, 81286), (40, 40643), (97, 16760), (194, 8380), (388, 4190), (419, 3880), (485, 3352), (776, 2095), (838, 1940), (970, 1676)]