54261520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7621}}^1$

素因数の和:7723

約数の個数: 40

約数和(自身を含む): 127592280

約数和(自身を除く): 73330760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 7621, 15242, 30484, 38105, 60968, 76210, 121936, 152420, 304840, 609680, 678269, 1356538, 2713076, 3391345, 5426152, 6782690, 10852304, 13565380, 27130760, 54261520]

約数ペア:

[(1, 54261520), (2, 27130760), (4, 13565380), (5, 10852304), (8, 6782690), (10, 5426152), (16, 3391345), (20, 2713076), (40, 1356538), (80, 678269), (89, 609680), (178, 304840), (356, 152420), (445, 121936), (712, 76210), (890, 60968), (1424, 38105), (1780, 30484), (3560, 15242), (7120, 7621)]