51963320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 120683520

約数和(自身を除く): 68720200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 127, 193, 212, 254, 265, 386, 424, 508, 530, 635, 772, 965, 1016, 1060, 1270, 1544, 1930, 2120, 2540, 3860, 5080, 6731, 7720, 10229, 13462, 20458, 24511, 26924, 33655, 40916, 49022, 51145, 53848, 67310, 81832, 98044, 102290, 122555, 134620, 196088, 204580, 245110, 269240, 409160, 490220, 980440, 1299083, 2598166, 5196332, 6495415, 10392664, 12990830, 25981660, 51963320]

約数ペア:

[(1, 51963320), (2, 25981660), (4, 12990830), (5, 10392664), (8, 6495415), (10, 5196332), (20, 2598166), (40, 1299083), (53, 980440), (106, 490220), (127, 409160), (193, 269240), (212, 245110), (254, 204580), (265, 196088), (386, 134620), (424, 122555), (508, 102290), (530, 98044), (635, 81832), (772, 67310), (965, 53848), (1016, 51145), (1060, 49022), (1270, 40916), (1544, 33655), (1930, 26924), (2120, 24511), (2540, 20458), (3860, 13462), (5080, 10229), (6731, 7720)]