822485120

素因数分解:

$2^7\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1289}}^1$

素因数の和:2305

約数の個数: 64

約数和(自身を含む): 1969752600

約数和(自身を除く): 1147267480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 997, 1289, 1994, 2578, 3988, 4985, 5156, 6445, 7976, 9970, 10312, 12890, 15952, 19940, 20624, 25780, 31904, 39880, 41248, 51560, 63808, 79760, 82496, 103120, 127616, 159520, 164992, 206240, 319040, 412480, 638080, 824960, 1285133, 2570266, 5140532, 6425665, 10281064, 12851330, 20562128, 25702660, 41124256, 51405320, 82248512, 102810640, 164497024, 205621280, 411242560, 822485120]

約数ペア:

[(1, 822485120), (2, 411242560), (4, 205621280), (5, 164497024), (8, 102810640), (10, 82248512), (16, 51405320), (20, 41124256), (32, 25702660), (40, 20562128), (64, 12851330), (80, 10281064), (128, 6425665), (160, 5140532), (320, 2570266), (640, 1285133), (997, 824960), (1289, 638080), (1994, 412480), (2578, 319040), (3988, 206240), (4985, 164992), (5156, 159520), (6445, 127616), (7976, 103120), (9970, 82496), (10312, 79760), (12890, 63808), (15952, 51560), (19940, 41248), (20624, 39880), (25780, 31904)]