19753280

素因数分解:

$2^6\times 5^1\times {\mathrm{61729}}^1$

素因数の和:61746

約数の個数: 28

約数和(自身を含む): 47038260

約数和(自身を除く): 27284980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61729, 123458, 246916, 308645, 493832, 617290, 987664, 1234580, 1975328, 2469160, 3950656, 4938320, 9876640, 19753280]

約数ペア:

[(1, 19753280), (2, 9876640), (4, 4938320), (5, 3950656), (8, 2469160), (10, 1975328), (16, 1234580), (20, 987664), (32, 617290), (40, 493832), (64, 308645), (80, 246916), (160, 123458), (320, 61729)]