51453800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 127015680

約数和(自身を除く): 75561880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 43, 50, 62, 86, 100, 124, 155, 172, 193, 200, 215, 248, 310, 344, 386, 430, 620, 772, 775, 860, 965, 1075, 1240, 1333, 1544, 1550, 1720, 1930, 2150, 2666, 3100, 3860, 4300, 4825, 5332, 5983, 6200, 6665, 7720, 8299, 8600, 9650, 10664, 11966, 13330, 16598, 19300, 23932, 26660, 29915, 33196, 33325, 38600, 41495, 47864, 53320, 59830, 66392, 66650, 82990, 119660, 133300, 149575, 165980, 207475, 239320, 257269, 266600, 299150, 331960, 414950, 514538, 598300, 829900, 1029076, 1196600, 1286345, 1659800, 2058152, 2572690, 5145380, 6431725, 10290760, 12863450, 25726900, 51453800]

約数ペア:

[(1, 51453800), (2, 25726900), (4, 12863450), (5, 10290760), (8, 6431725), (10, 5145380), (20, 2572690), (25, 2058152), (31, 1659800), (40, 1286345), (43, 1196600), (50, 1029076), (62, 829900), (86, 598300), (100, 514538), (124, 414950), (155, 331960), (172, 299150), (193, 266600), (200, 257269), (215, 239320), (248, 207475), (310, 165980), (344, 149575), (386, 133300), (430, 119660), (620, 82990), (772, 66650), (775, 66392), (860, 59830), (965, 53320), (1075, 47864), (1240, 41495), (1333, 38600), (1544, 33325), (1550, 33196), (1720, 29915), (1930, 26660), (2150, 23932), (2666, 19300), (3100, 16598), (3860, 13330), (4300, 11966), (4825, 10664), (5332, 9650), (5983, 8600), (6200, 8299), (6665, 7720)]