26798780

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2729}}^1$

素因数の和:3229

約数の個数: 24

約数和(自身を含む): 56412720

約数和(自身を除く): 29613940

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 2729, 4910, 5458, 9820, 10916, 13645, 27290, 54580, 1339939, 2679878, 5359756, 6699695, 13399390, 26798780]

約数ペア:

[(1, 26798780), (2, 13399390), (4, 6699695), (5, 5359756), (10, 2679878), (20, 1339939), (491, 54580), (982, 27290), (1964, 13645), (2455, 10916), (2729, 9820), (4910, 5458)]