20134573240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 46675440000

約数和(自身を除く): 26540866760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 97, 178, 194, 199, 293, 356, 388, 398, 445, 485, 586, 712, 776, 796, 890, 970, 995, 1172, 1465, 1592, 1780, 1940, 1990, 2344, 2930, 3560, 3880, 3980, 5860, 7960, 8633, 11720, 17266, 17711, 19303, 26077, 28421, 34532, 35422, 38606, 43165, 52154, 56842, 58307, 69064, 70844, 77212, 86330, 88555, 96515, 104308, 113684, 116614, 130385, 141688, 142105, 154424, 172660, 177110, 193030, 208616, 227368, 233228, 260770, 284210, 291535, 345320, 354220, 386060, 466456, 521540, 568420, 583070, 708440, 772120, 1043080, 1136840, 1166140, 1717967, 2332280, 2529469, 3435934, 5058938, 5189323, 5655779, 6871868, 8589835, 10117876, 10378646, 11311558, 12647345, 13743736, 17179670, 20235752, 20757292, 22623116, 25294690, 25946615, 28278895, 34359340, 41514584, 45246232, 50589380, 51893230, 56557790, 68718680, 101178760, 103786460, 113115580, 207572920, 226231160, 503364331, 1006728662, 2013457324, 2516821655, 4026914648, 5033643310, 10067286620, 20134573240]

約数ペア:

[(1, 20134573240), (2, 10067286620), (4, 5033643310), (5, 4026914648), (8, 2516821655), (10, 2013457324), (20, 1006728662), (40, 503364331), (89, 226231160), (97, 207572920), (178, 113115580), (194, 103786460), (199, 101178760), (293, 68718680), (356, 56557790), (388, 51893230), (398, 50589380), (445, 45246232), (485, 41514584), (586, 34359340), (712, 28278895), (776, 25946615), (796, 25294690), (890, 22623116), (970, 20757292), (995, 20235752), (1172, 17179670), (1465, 13743736), (1592, 12647345), (1780, 11311558), (1940, 10378646), (1990, 10117876), (2344, 8589835), (2930, 6871868), (3560, 5655779), (3880, 5189323), (3980, 5058938), (5860, 3435934), (7960, 2529469), (8633, 2332280), (11720, 1717967), (17266, 1166140), (17711, 1136840), (19303, 1043080), (26077, 772120), (28421, 708440), (34532, 583070), (35422, 568420), (38606, 521540), (43165, 466456), (52154, 386060), (56842, 354220), (58307, 345320), (69064, 291535), (70844, 284210), (77212, 260770), (86330, 233228), (88555, 227368), (96515, 208616), (104308, 193030), (113684, 177110), (116614, 172660), (130385, 154424), (141688, 142105)]