27130760

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7621}}^1$

素因数の和:7721

約数の個数: 32

約数和(自身を含む): 61738200

約数和(自身を除く): 34607440

約数列:

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

約数ペア:

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