997160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 2275560

約数和(自身を除く): 1278400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 257, 388, 485, 514, 776, 970, 1028, 1285, 1940, 2056, 2570, 3880, 5140, 10280, 24929, 49858, 99716, 124645, 199432, 249290, 498580, 997160]

約数ペア:

[(1, 997160), (2, 498580), (4, 249290), (5, 199432), (8, 124645), (10, 99716), (20, 49858), (40, 24929), (97, 10280), (194, 5140), (257, 3880), (388, 2570), (485, 2056), (514, 1940), (776, 1285), (970, 1028)]