20141640680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1\times {\mathrm{1429}}^1$

素因数の和:2227

約数の個数: 128

約数和(自身を含む): 52633152000

約数和(自身を除く): 32491511320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 709, 710, 994, 1418, 1420, 1429, 1988, 2485, 2836, 2840, 2858, 3545, 3976, 4963, 4970, 5672, 5716, 7090, 7145, 9926, 9940, 10003, 11432, 14180, 14290, 19852, 19880, 20006, 24815, 28360, 28580, 39704, 40012, 49630, 50015, 50339, 57160, 80024, 99260, 100030, 100678, 101459, 198520, 200060, 201356, 202918, 251695, 352373, 400120, 402712, 405836, 503390, 507295, 704746, 710213, 811672, 1006780, 1013161, 1014590, 1409492, 1420426, 1761865, 2013560, 2026322, 2029180, 2818984, 2840852, 3523730, 3551065, 4052644, 4058360, 5065805, 5681704, 7047460, 7092127, 7102130, 8105288, 10131610, 14094920, 14184254, 14204260, 20263220, 28368508, 28408520, 35460635, 40526440, 56737016, 70921270, 71934431, 141842540, 143868862, 283685080, 287737724, 359672155, 503541017, 575475448, 719344310, 1007082034, 1438688620, 2014164068, 2517705085, 2877377240, 4028328136, 5035410170, 10070820340, 20141640680]

約数ペア:

[(1, 20141640680), (2, 10070820340), (4, 5035410170), (5, 4028328136), (7, 2877377240), (8, 2517705085), (10, 2014164068), (14, 1438688620), (20, 1007082034), (28, 719344310), (35, 575475448), (40, 503541017), (56, 359672155), (70, 287737724), (71, 283685080), (140, 143868862), (142, 141842540), (280, 71934431), (284, 70921270), (355, 56737016), (497, 40526440), (568, 35460635), (709, 28408520), (710, 28368508), (994, 20263220), (1418, 14204260), (1420, 14184254), (1429, 14094920), (1988, 10131610), (2485, 8105288), (2836, 7102130), (2840, 7092127), (2858, 7047460), (3545, 5681704), (3976, 5065805), (4963, 4058360), (4970, 4052644), (5672, 3551065), (5716, 3523730), (7090, 2840852), (7145, 2818984), (9926, 2029180), (9940, 2026322), (10003, 2013560), (11432, 1761865), (14180, 1420426), (14290, 1409492), (19852, 1014590), (19880, 1013161), (20006, 1006780), (24815, 811672), (28360, 710213), (28580, 704746), (39704, 507295), (40012, 503390), (49630, 405836), (50015, 402712), (50339, 400120), (57160, 352373), (80024, 251695), (99260, 202918), (100030, 201356), (100678, 200060), (101459, 198520)]