51021440

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2749}}^1$

素因数の和:2797

約数の個数: 64

約数和(自身を含む): 126225000

約数和(自身を除く): 75203560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1856, 2320, 2749, 3712, 4640, 5498, 9280, 10996, 13745, 18560, 21992, 27490, 43984, 54980, 79721, 87968, 109960, 159442, 175936, 219920, 318884, 351872, 398605, 439840, 637768, 797210, 879680, 1275536, 1594420, 1759360, 2551072, 3188840, 5102144, 6377680, 10204288, 12755360, 25510720, 51021440]

約数ペア:

[(1, 51021440), (2, 25510720), (4, 12755360), (5, 10204288), (8, 6377680), (10, 5102144), (16, 3188840), (20, 2551072), (29, 1759360), (32, 1594420), (40, 1275536), (58, 879680), (64, 797210), (80, 637768), (116, 439840), (128, 398605), (145, 351872), (160, 318884), (232, 219920), (290, 175936), (320, 159442), (464, 109960), (580, 87968), (640, 79721), (928, 54980), (1160, 43984), (1856, 27490), (2320, 21992), (2749, 18560), (3712, 13745), (4640, 10996), (5498, 9280)]