8314840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2143}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 18910080

約数和(自身を除く): 10595240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2143, 3880, 4286, 8572, 10715, 17144, 21430, 42860, 85720, 207871, 415742, 831484, 1039355, 1662968, 2078710, 4157420, 8314840]

約数ペア:

[(1, 8314840), (2, 4157420), (4, 2078710), (5, 1662968), (8, 1039355), (10, 831484), (20, 415742), (40, 207871), (97, 85720), (194, 42860), (388, 21430), (485, 17144), (776, 10715), (970, 8572), (1940, 4286), (2143, 3880)]