38922880

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1077

約数の個数: 64

約数和(自身を含む): 94670280

約数和(自身を除く): 55747400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 997, 1220, 1952, 1994, 2440, 3904, 3988, 4880, 4985, 7808, 7976, 9760, 9970, 15952, 19520, 19940, 31904, 39040, 39880, 60817, 63808, 79760, 121634, 127616, 159520, 243268, 304085, 319040, 486536, 608170, 638080, 973072, 1216340, 1946144, 2432680, 3892288, 4865360, 7784576, 9730720, 19461440, 38922880]

約数ペア:

[(1, 38922880), (2, 19461440), (4, 9730720), (5, 7784576), (8, 4865360), (10, 3892288), (16, 2432680), (20, 1946144), (32, 1216340), (40, 973072), (61, 638080), (64, 608170), (80, 486536), (122, 319040), (128, 304085), (160, 243268), (244, 159520), (305, 127616), (320, 121634), (488, 79760), (610, 63808), (640, 60817), (976, 39880), (997, 39040), (1220, 31904), (1952, 19940), (1994, 19520), (2440, 15952), (3904, 9970), (3988, 9760), (4880, 7976), (4985, 7808)]