27828280

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2237}}^1$

素因数の和:2559

約数の個数: 32

約数和(自身を含む): 62843040

約数和(自身を除く): 35014760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2237, 2488, 3110, 4474, 6220, 8948, 11185, 12440, 17896, 22370, 44740, 89480, 695707, 1391414, 2782828, 3478535, 5565656, 6957070, 13914140, 27828280]

約数ペア:

[(1, 27828280), (2, 13914140), (4, 6957070), (5, 5565656), (8, 3478535), (10, 2782828), (20, 1391414), (40, 695707), (311, 89480), (622, 44740), (1244, 22370), (1555, 17896), (2237, 12440), (2488, 11185), (3110, 8948), (4474, 6220)]