254319040

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{827}}^1$

素因数の和:906

約数の個数: 84

約数和(自身を含む): 626519448

約数和(自身を除く): 372200408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 827, 961, 992, 1240, 1654, 1922, 1984, 2480, 3308, 3844, 4135, 4805, 4960, 6616, 7688, 8270, 9610, 9920, 13232, 15376, 16540, 19220, 25637, 26464, 30752, 33080, 38440, 51274, 52928, 61504, 66160, 76880, 102548, 128185, 132320, 153760, 205096, 256370, 264640, 307520, 410192, 512740, 794747, 820384, 1025480, 1589494, 1640768, 2050960, 3178988, 3973735, 4101920, 6357976, 7947470, 8203840, 12715952, 15894940, 25431904, 31789880, 50863808, 63579760, 127159520, 254319040]

約数ペア:

[(1, 254319040), (2, 127159520), (4, 63579760), (5, 50863808), (8, 31789880), (10, 25431904), (16, 15894940), (20, 12715952), (31, 8203840), (32, 7947470), (40, 6357976), (62, 4101920), (64, 3973735), (80, 3178988), (124, 2050960), (155, 1640768), (160, 1589494), (248, 1025480), (310, 820384), (320, 794747), (496, 512740), (620, 410192), (827, 307520), (961, 264640), (992, 256370), (1240, 205096), (1654, 153760), (1922, 132320), (1984, 128185), (2480, 102548), (3308, 76880), (3844, 66160), (4135, 61504), (4805, 52928), (4960, 51274), (6616, 38440), (7688, 33080), (8270, 30752), (9610, 26464), (9920, 25637), (13232, 19220), (15376, 16540)]