51656440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 137894400

約数和(自身を除く): 86237960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 88, 95, 110, 148, 152, 167, 185, 190, 209, 220, 296, 334, 370, 380, 407, 418, 440, 668, 703, 740, 760, 814, 835, 836, 1045, 1336, 1406, 1480, 1628, 1670, 1672, 1837, 2035, 2090, 2812, 3173, 3256, 3340, 3515, 3674, 4070, 4180, 5624, 6179, 6346, 6680, 7030, 7348, 7733, 8140, 8360, 9185, 12358, 12692, 14060, 14696, 15466, 15865, 16280, 18370, 24716, 25384, 28120, 30895, 30932, 31730, 34903, 36740, 38665, 49432, 61790, 61864, 63460, 67969, 69806, 73480, 77330, 117401, 123580, 126920, 135938, 139612, 154660, 174515, 234802, 247160, 271876, 279224, 309320, 339845, 349030, 469604, 543752, 587005, 679690, 698060, 939208, 1174010, 1291411, 1359380, 1396120, 2348020, 2582822, 2718760, 4696040, 5165644, 6457055, 10331288, 12914110, 25828220, 51656440]

約数ペア:

[(1, 51656440), (2, 25828220), (4, 12914110), (5, 10331288), (8, 6457055), (10, 5165644), (11, 4696040), (19, 2718760), (20, 2582822), (22, 2348020), (37, 1396120), (38, 1359380), (40, 1291411), (44, 1174010), (55, 939208), (74, 698060), (76, 679690), (88, 587005), (95, 543752), (110, 469604), (148, 349030), (152, 339845), (167, 309320), (185, 279224), (190, 271876), (209, 247160), (220, 234802), (296, 174515), (334, 154660), (370, 139612), (380, 135938), (407, 126920), (418, 123580), (440, 117401), (668, 77330), (703, 73480), (740, 69806), (760, 67969), (814, 63460), (835, 61864), (836, 61790), (1045, 49432), (1336, 38665), (1406, 36740), (1480, 34903), (1628, 31730), (1670, 30932), (1672, 30895), (1837, 28120), (2035, 25384), (2090, 24716), (2812, 18370), (3173, 16280), (3256, 15865), (3340, 15466), (3515, 14696), (3674, 14060), (4070, 12692), (4180, 12358), (5624, 9185), (6179, 8360), (6346, 8140), (6680, 7733), (7030, 7348)]