49720000

素因数分解:

$2^6\times 5^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:156

約数の個数: 140

約数和(自身を含む): 135687816

約数和(自身を除く): 85967816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 113, 125, 160, 176, 200, 220, 226, 250, 275, 320, 352, 400, 440, 452, 500, 550, 565, 625, 704, 800, 880, 904, 1000, 1100, 1130, 1243, 1250, 1375, 1600, 1760, 1808, 2000, 2200, 2260, 2486, 2500, 2750, 2825, 3520, 3616, 4000, 4400, 4520, 4972, 5000, 5500, 5650, 6215, 6875, 7232, 8000, 8800, 9040, 9944, 10000, 11000, 11300, 12430, 13750, 14125, 17600, 18080, 19888, 20000, 22000, 22600, 24860, 27500, 28250, 31075, 36160, 39776, 40000, 44000, 45200, 49720, 55000, 56500, 62150, 70625, 79552, 88000, 90400, 99440, 110000, 113000, 124300, 141250, 155375, 180800, 198880, 220000, 226000, 248600, 282500, 310750, 397760, 440000, 452000, 497200, 565000, 621500, 776875, 904000, 994400, 1130000, 1243000, 1553750, 1988800, 2260000, 2486000, 3107500, 4520000, 4972000, 6215000, 9944000, 12430000, 24860000, 49720000]

約数ペア:

[(1, 49720000), (2, 24860000), (4, 12430000), (5, 9944000), (8, 6215000), (10, 4972000), (11, 4520000), (16, 3107500), (20, 2486000), (22, 2260000), (25, 1988800), (32, 1553750), (40, 1243000), (44, 1130000), (50, 994400), (55, 904000), (64, 776875), (80, 621500), (88, 565000), (100, 497200), (110, 452000), (113, 440000), (125, 397760), (160, 310750), (176, 282500), (200, 248600), (220, 226000), (226, 220000), (250, 198880), (275, 180800), (320, 155375), (352, 141250), (400, 124300), (440, 113000), (452, 110000), (500, 99440), (550, 90400), (565, 88000), (625, 79552), (704, 70625), (800, 62150), (880, 56500), (904, 55000), (1000, 49720), (1100, 45200), (1130, 44000), (1243, 40000), (1250, 39776), (1375, 36160), (1600, 31075), (1760, 28250), (1808, 27500), (2000, 24860), (2200, 22600), (2260, 22000), (2486, 20000), (2500, 19888), (2750, 18080), (2825, 17600), (3520, 14125), (3616, 13750), (4000, 12430), (4400, 11300), (4520, 11000), (4972, 10000), (5000, 9944), (5500, 9040), (5650, 8800), (6215, 8000), (6875, 7232)]