20192218240

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{4153}}^1$

素因数の和:4350

約数の個数: 128

約数和(自身を含む): 49421301120

約数和(自身を除く): 29229082880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 107, 128, 142, 160, 214, 284, 320, 355, 428, 535, 568, 640, 710, 856, 1070, 1136, 1420, 1712, 2140, 2272, 2840, 3424, 4153, 4280, 4544, 5680, 6848, 7597, 8306, 8560, 9088, 11360, 13696, 15194, 16612, 17120, 20765, 22720, 30388, 33224, 34240, 37985, 41530, 45440, 60776, 66448, 68480, 75970, 83060, 121552, 132896, 151940, 166120, 243104, 265792, 294863, 303880, 332240, 444371, 486208, 531584, 589726, 607760, 664480, 888742, 972416, 1179452, 1215520, 1328960, 1474315, 1777484, 2221855, 2358904, 2431040, 2657920, 2948630, 3554968, 4443710, 4717808, 4862080, 5897260, 7109936, 8887420, 9435616, 11794520, 14219872, 17774840, 18871232, 23589040, 28439744, 31550341, 35549680, 37742464, 47178080, 56879488, 63100682, 71099360, 94356160, 126201364, 142198720, 157751705, 188712320, 252402728, 284397440, 315503410, 504805456, 631006820, 1009610912, 1262013640, 2019221824, 2524027280, 4038443648, 5048054560, 10096109120, 20192218240]

約数ペア:

[(1, 20192218240), (2, 10096109120), (4, 5048054560), (5, 4038443648), (8, 2524027280), (10, 2019221824), (16, 1262013640), (20, 1009610912), (32, 631006820), (40, 504805456), (64, 315503410), (71, 284397440), (80, 252402728), (107, 188712320), (128, 157751705), (142, 142198720), (160, 126201364), (214, 94356160), (284, 71099360), (320, 63100682), (355, 56879488), (428, 47178080), (535, 37742464), (568, 35549680), (640, 31550341), (710, 28439744), (856, 23589040), (1070, 18871232), (1136, 17774840), (1420, 14219872), (1712, 11794520), (2140, 9435616), (2272, 8887420), (2840, 7109936), (3424, 5897260), (4153, 4862080), (4280, 4717808), (4544, 4443710), (5680, 3554968), (6848, 2948630), (7597, 2657920), (8306, 2431040), (8560, 2358904), (9088, 2221855), (11360, 1777484), (13696, 1474315), (15194, 1328960), (16612, 1215520), (17120, 1179452), (20765, 972416), (22720, 888742), (30388, 664480), (33224, 607760), (34240, 589726), (37985, 531584), (41530, 486208), (45440, 444371), (60776, 332240), (66448, 303880), (68480, 294863), (75970, 265792), (83060, 243104), (121552, 166120), (132896, 151940)]