13565380

素因数分解:

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

素因数の和:7719

約数の個数: 24

約数和(自身を含む): 28811160

約数和(自身を除く): 15245780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7621, 15242, 30484, 38105, 76210, 152420, 678269, 1356538, 2713076, 3391345, 6782690, 13565380]

約数ペア:

[(1, 13565380), (2, 6782690), (4, 3391345), (5, 2713076), (10, 1356538), (20, 678269), (89, 152420), (178, 76210), (356, 38105), (445, 30484), (890, 15242), (1780, 7621)]