2005778896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 4304724480

約数和(自身を除く): 2298945584

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 163, 176, 278, 326, 503, 556, 652, 1006, 1112, 1304, 1529, 1793, 2012, 2224, 2608, 3058, 3586, 4024, 5533, 6116, 7172, 8048, 11066, 12232, 14344, 22132, 22657, 24464, 28688, 44264, 45314, 69917, 81989, 88528, 90628, 139834, 163978, 181256, 249227, 279668, 327956, 362512, 498454, 559336, 655912, 769087, 901879, 996908, 1118672, 1311824, 1538174, 1803758, 1993816, 3076348, 3607516, 3987632, 6152696, 7215032, 11396471, 12305392, 14430064, 22792942, 45585884, 91171768, 125361181, 182343536, 250722362, 501444724, 1002889448, 2005778896]

約数ペア:

[(1, 2005778896), (2, 1002889448), (4, 501444724), (8, 250722362), (11, 182343536), (16, 125361181), (22, 91171768), (44, 45585884), (88, 22792942), (139, 14430064), (163, 12305392), (176, 11396471), (278, 7215032), (326, 6152696), (503, 3987632), (556, 3607516), (652, 3076348), (1006, 1993816), (1112, 1803758), (1304, 1538174), (1529, 1311824), (1793, 1118672), (2012, 996908), (2224, 901879), (2608, 769087), (3058, 655912), (3586, 559336), (4024, 498454), (5533, 362512), (6116, 327956), (7172, 279668), (8048, 249227), (11066, 181256), (12232, 163978), (14344, 139834), (22132, 90628), (22657, 88528), (24464, 81989), (28688, 69917), (44264, 45314)]