39128570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^4\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 40

約数和(自身を含む): 76857444

約数和(自身を除く): 37728874

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 169, 274, 338, 685, 845, 1370, 1690, 1781, 2197, 3562, 4394, 8905, 10985, 17810, 21970, 23153, 28561, 46306, 57122, 115765, 142805, 231530, 285610, 300989, 601978, 1504945, 3009890, 3912857, 7825714, 19564285, 39128570]

約数ペア:

[(1, 39128570), (2, 19564285), (5, 7825714), (10, 3912857), (13, 3009890), (26, 1504945), (65, 601978), (130, 300989), (137, 285610), (169, 231530), (274, 142805), (338, 115765), (685, 57122), (845, 46306), (1370, 28561), (1690, 23153), (1781, 21970), (2197, 17810), (3562, 10985), (4394, 8905)]