12317680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1949}}^1$

素因数の和:2041

約数の個数: 40

約数和(自身を含む): 29016000

約数和(自身を除く): 16698320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 1949, 3160, 3898, 6320, 7796, 9745, 15592, 19490, 31184, 38980, 77960, 153971, 155920, 307942, 615884, 769855, 1231768, 1539710, 2463536, 3079420, 6158840, 12317680]

約数ペア:

[(1, 12317680), (2, 6158840), (4, 3079420), (5, 2463536), (8, 1539710), (10, 1231768), (16, 769855), (20, 615884), (40, 307942), (79, 155920), (80, 153971), (158, 77960), (316, 38980), (395, 31184), (632, 19490), (790, 15592), (1264, 9745), (1580, 7796), (1949, 6320), (3160, 3898)]