13572520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 33707520

約数和(自身を除く): 20135000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 607, 860, 1118, 1214, 1720, 2236, 2428, 2795, 3035, 4472, 4856, 5590, 6070, 7891, 11180, 12140, 15782, 22360, 24280, 26101, 31564, 39455, 52202, 63128, 78910, 104404, 130505, 157820, 208808, 261010, 315640, 339313, 522020, 678626, 1044040, 1357252, 1696565, 2714504, 3393130, 6786260, 13572520]

約数ペア:

[(1, 13572520), (2, 6786260), (4, 3393130), (5, 2714504), (8, 1696565), (10, 1357252), (13, 1044040), (20, 678626), (26, 522020), (40, 339313), (43, 315640), (52, 261010), (65, 208808), (86, 157820), (104, 130505), (130, 104404), (172, 78910), (215, 63128), (260, 52202), (344, 39455), (430, 31564), (520, 26101), (559, 24280), (607, 22360), (860, 15782), (1118, 12140), (1214, 11180), (1720, 7891), (2236, 6070), (2428, 5590), (2795, 4856), (3035, 4472)]