19629760

素因数分解:

$2^6\times 5^1\times {\mathrm{61343}}^1$

素因数の和:61360

約数の個数: 28

約数和(自身を含む): 46744128

約数和(自身を除く): 27114368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61343, 122686, 245372, 306715, 490744, 613430, 981488, 1226860, 1962976, 2453720, 3925952, 4907440, 9814880, 19629760]

約数ペア:

[(1, 19629760), (2, 9814880), (4, 4907440), (5, 3925952), (8, 2453720), (10, 1962976), (16, 1226860), (20, 981488), (32, 613430), (40, 490744), (64, 306715), (80, 245372), (160, 122686), (320, 61343)]