13318720

素因数分解:

$2^6\times 5^1\times {\mathrm{41621}}^1$

素因数の和:41638

約数の個数: 28

約数和(自身を含む): 31715964

約数和(自身を除く): 18397244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 41621, 83242, 166484, 208105, 332968, 416210, 665936, 832420, 1331872, 1664840, 2663744, 3329680, 6659360, 13318720]

約数ペア:

[(1, 13318720), (2, 6659360), (4, 3329680), (5, 2663744), (8, 1664840), (10, 1331872), (16, 832420), (20, 665936), (32, 416210), (40, 332968), (64, 208105), (80, 166484), (160, 83242), (320, 41621)]