13201996820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1\times {\mathrm{14207}}^1$

素因数の和:14792

約数の個数: 48

約数和(自身を含む): 28070461440

約数和(自身を除く): 14868464620

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 479, 485, 958, 970, 1916, 1940, 2395, 4790, 9580, 14207, 28414, 46463, 56828, 71035, 92926, 142070, 185852, 232315, 284140, 464630, 929260, 1378079, 2756158, 5512316, 6805153, 6890395, 13610306, 13780790, 27220612, 27561580, 34025765, 68051530, 136103060, 660099841, 1320199682, 2640399364, 3300499205, 6600998410, 13201996820]

約数ペア:

[(1, 13201996820), (2, 6600998410), (4, 3300499205), (5, 2640399364), (10, 1320199682), (20, 660099841), (97, 136103060), (194, 68051530), (388, 34025765), (479, 27561580), (485, 27220612), (958, 13780790), (970, 13610306), (1916, 6890395), (1940, 6805153), (2395, 5512316), (4790, 2756158), (9580, 1378079), (14207, 929260), (28414, 464630), (46463, 284140), (56828, 232315), (71035, 185852), (92926, 142070)]