201291280

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{13037}}^1$

素因数の和:13243

約数の個数: 40

約数和(自身を含む): 470463192

約数和(自身を除く): 269171912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 13037, 15440, 26074, 52148, 65185, 104296, 130370, 208592, 260740, 521480, 1042960, 2516141, 5032282, 10064564, 12580705, 20129128, 25161410, 40258256, 50322820, 100645640, 201291280]

約数ペア:

[(1, 201291280), (2, 100645640), (4, 50322820), (5, 40258256), (8, 25161410), (10, 20129128), (16, 12580705), (20, 10064564), (40, 5032282), (80, 2516141), (193, 1042960), (386, 521480), (772, 260740), (965, 208592), (1544, 130370), (1930, 104296), (3088, 65185), (3860, 52148), (7720, 26074), (13037, 15440)]