51592760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 120264480

約数和(自身を除く): 68671720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 163, 164, 193, 205, 326, 328, 386, 410, 652, 772, 815, 820, 965, 1304, 1544, 1630, 1640, 1930, 3260, 3860, 6520, 6683, 7720, 7913, 13366, 15826, 26732, 31459, 31652, 33415, 39565, 53464, 62918, 63304, 66830, 79130, 125836, 133660, 157295, 158260, 251672, 267320, 314590, 316520, 629180, 1258360, 1289819, 2579638, 5159276, 6449095, 10318552, 12898190, 25796380, 51592760]

約数ペア:

[(1, 51592760), (2, 25796380), (4, 12898190), (5, 10318552), (8, 6449095), (10, 5159276), (20, 2579638), (40, 1289819), (41, 1258360), (82, 629180), (163, 316520), (164, 314590), (193, 267320), (205, 251672), (326, 158260), (328, 157295), (386, 133660), (410, 125836), (652, 79130), (772, 66830), (815, 63304), (820, 62918), (965, 53464), (1304, 39565), (1544, 33415), (1630, 31652), (1640, 31459), (1930, 26732), (3260, 15826), (3860, 13366), (6520, 7913), (6683, 7720)]