199994320

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{12953}}^1$

素因数の和:13159

約数の個数: 40

約数和(自身を含む): 467432136

約数和(自身を除く): 267437816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 12953, 15440, 25906, 51812, 64765, 103624, 129530, 207248, 259060, 518120, 1036240, 2499929, 4999858, 9999716, 12499645, 19999432, 24999290, 39998864, 49998580, 99997160, 199994320]

約数ペア:

[(1, 199994320), (2, 99997160), (4, 49998580), (5, 39998864), (8, 24999290), (10, 19999432), (16, 12499645), (20, 9999716), (40, 4999858), (80, 2499929), (193, 1036240), (386, 518120), (772, 259060), (965, 207248), (1544, 129530), (1930, 103624), (3088, 64765), (3860, 51812), (7720, 25906), (12953, 15440)]