2020110040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1109}}^1$

素因数の和:1277

約数の個数: 128

約数和(自身を含む): 5102092800

約数和(自身を除く): 3081982760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 113, 124, 130, 155, 226, 248, 260, 310, 403, 452, 520, 565, 620, 806, 904, 1109, 1130, 1240, 1469, 1612, 2015, 2218, 2260, 2938, 3224, 3503, 4030, 4436, 4520, 5545, 5876, 7006, 7345, 8060, 8872, 11090, 11752, 14012, 14417, 14690, 16120, 17515, 22180, 28024, 28834, 29380, 34379, 35030, 44360, 45539, 57668, 58760, 68758, 70060, 72085, 91078, 115336, 125317, 137516, 140120, 144170, 171895, 182156, 227695, 250634, 275032, 288340, 343790, 364312, 446927, 455390, 501268, 576680, 626585, 687580, 893854, 910780, 1002536, 1253170, 1375160, 1629121, 1787708, 1821560, 2234635, 2506340, 3258242, 3575416, 3884827, 4469270, 5012680, 6516484, 7769654, 8145605, 8938540, 13032968, 15539308, 16291210, 17877080, 19424135, 31078616, 32582420, 38848270, 50502751, 65164840, 77696540, 101005502, 155393080, 202011004, 252513755, 404022008, 505027510, 1010055020, 2020110040]

約数ペア:

[(1, 2020110040), (2, 1010055020), (4, 505027510), (5, 404022008), (8, 252513755), (10, 202011004), (13, 155393080), (20, 101005502), (26, 77696540), (31, 65164840), (40, 50502751), (52, 38848270), (62, 32582420), (65, 31078616), (104, 19424135), (113, 17877080), (124, 16291210), (130, 15539308), (155, 13032968), (226, 8938540), (248, 8145605), (260, 7769654), (310, 6516484), (403, 5012680), (452, 4469270), (520, 3884827), (565, 3575416), (620, 3258242), (806, 2506340), (904, 2234635), (1109, 1821560), (1130, 1787708), (1240, 1629121), (1469, 1375160), (1612, 1253170), (2015, 1002536), (2218, 910780), (2260, 893854), (2938, 687580), (3224, 626585), (3503, 576680), (4030, 501268), (4436, 455390), (4520, 446927), (5545, 364312), (5876, 343790), (7006, 288340), (7345, 275032), (8060, 250634), (8872, 227695), (11090, 182156), (11752, 171895), (14012, 144170), (14417, 140120), (14690, 137516), (16120, 125317), (17515, 115336), (22180, 91078), (28024, 72085), (28834, 70060), (29380, 68758), (34379, 58760), (35030, 57668), (44360, 45539)]